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Search, Evaluate, and Read Evidence","\u002Fen\u002Facademic-writing\u002F02-reading-and-literature-matrix","en\u002Facademic-writing\u002F02-reading-and-literature-matrix",{"title":27,"path":28,"stem":29},"3. From Sources to Synthesis and Argument","\u002Fen\u002Facademic-writing\u002F03-arguments-outlines-and-paragraphs","en\u002Facademic-writing\u002F03-arguments-outlines-and-paragraphs",{"title":31,"path":32,"stem":33},"4. Literature Review and a Defensible Gap","\u002Fen\u002Facademic-writing\u002F04-writing-the-literature-review","en\u002Facademic-writing\u002F04-writing-the-literature-review",{"title":35,"path":36,"stem":37},"5. Research Design, Evidence, and Core Sections","\u002Fen\u002Facademic-writing\u002F05-core-sections-and-evidence","en\u002Facademic-writing\u002F05-core-sections-and-evidence",{"title":39,"path":40,"stem":41},"6. Citation, Paraphrasing, Integrity, and AI","\u002Fen\u002Facademic-writing\u002F06-citation-paraphrasing-and-integrity","en\u002Facademic-writing\u002F06-citation-paraphrasing-and-integrity",{"title":43,"path":44,"stem":45},"7. Revision, Review, and Submission","\u002Fen\u002Facademic-writing\u002F07-revision-style-and-submission","en\u002Facademic-writing\u002F07-revision-style-and-submission",{"title":47,"path":48,"stem":49},"8. Research Workbook","\u002Fen\u002Facademic-writing\u002F08-literature-review-checklist-and-template","en\u002Facademic-writing\u002F08-literature-review-checklist-and-template",{"title":51,"path":52,"stem":53},"9. Research Workflow and Tools","\u002Fen\u002Facademic-writing\u002F09-tools-for-academic-writing-and-literature-management","en\u002Facademic-writing\u002F09-tools-for-academic-writing-and-literature-management",{"title":55,"path":56,"stem":57},"10. Worked Project — From Question to Defensible Conclusion","\u002Fen\u002Facademic-writing\u002F10-worked-example-from-block-structure-to-question-chain","en\u002Facademic-writing\u002F10-worked-example-from-block-structure-to-question-chain",{"title":59,"path":60,"stem":61,"children":62,"page":249},"Accounting","\u002Fen\u002Faccounting","en\u002Faccounting",[63,69,87,93,193],{"title":64,"path":65,"stem":66,"children":67},"Accounting — From Evidence to Decisions","\u002Fen\u002Faccounting\u002F00-index","en\u002Faccounting\u002F00-index",[68],{"title":64,"path":65,"stem":66},{"title":70,"path":71,"stem":72,"children":73},"Accounting Appendix","\u002Fen\u002Faccounting\u002Fappendix","en\u002Faccounting\u002Fappendix\u002Findex",[74,75,79,83],{"title":70,"path":71,"stem":72},{"title":76,"path":77,"stem":78},"Worked Examples and Error Diagnosis","\u002Fen\u002Faccounting\u002Fappendix\u002F24-examples-pitfalls","en\u002Faccounting\u002Fappendix\u002F24-examples-pitfalls",{"title":80,"path":81,"stem":82},"Accounting Glossary","\u002Fen\u002Faccounting\u002Fappendix\u002F26-glossary","en\u002Faccounting\u002Fappendix\u002F26-glossary",{"title":84,"path":85,"stem":86},"Reading and Evidence Map","\u002Fen\u002Faccounting\u002Fappendix\u002F27-reading-map","en\u002Faccounting\u002Fappendix\u002F27-reading-map",{"title":88,"path":89,"stem":90,"children":91},"Northstar Record-to-Decision Capstone","\u002Fen\u002Faccounting\u002Fcapstone","en\u002Faccounting\u002Fcapstone\u002Findex",[92],{"title":88,"path":89,"stem":90},{"title":94,"path":95,"stem":96,"children":97},"Financial Accounting","\u002Fen\u002Faccounting\u002Ffinancial-accounting","en\u002Faccounting\u002Ffinancial-accounting\u002Findex",[98,99,117,131,165,179],{"title":94,"path":95,"stem":96},{"title":100,"path":101,"stem":102,"children":103},"1. Foundations","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F01-foundations","en\u002Faccounting\u002Ffinancial-accounting\u002F01-foundations\u002Findex",[104,105,109,113],{"title":100,"path":101,"stem":102},{"title":106,"path":107,"stem":108},"Objectives and Qualitative Characteristics","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F01-foundations\u002F01-objectives-qualitative-characteristics","en\u002Faccounting\u002Ffinancial-accounting\u002F01-foundations\u002F01-objectives-qualitative-characteristics",{"title":110,"path":111,"stem":112},"Equation and Elements","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F01-foundations\u002F02-equation-elements","en\u002Faccounting\u002Ffinancial-accounting\u002F01-foundations\u002F02-equation-elements",{"title":114,"path":115,"stem":116},"Accrual Basis, Estimates and Periods","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F01-foundations\u002F03-accounting-bases-principles","en\u002Faccounting\u002Ffinancial-accounting\u002F01-foundations\u002F03-accounting-bases-principles",{"title":118,"path":119,"stem":120,"children":121},"2. Recording Transactions","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F02-recording-transactions","en\u002Faccounting\u002Ffinancial-accounting\u002F02-recording-transactions\u002Findex",[122,123,127],{"title":118,"path":119,"stem":120},{"title":124,"path":125,"stem":126},"Double-Entry and Debit\u002FCredit","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F02-recording-transactions\u002F04-double-entry-dr-cr","en\u002Faccounting\u002Ffinancial-accounting\u002F02-recording-transactions\u002F04-double-entry-dr-cr",{"title":128,"path":129,"stem":130},"Accounting Cycle","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F02-recording-transactions\u002F05-accounting-cycle","en\u002Faccounting\u002Ffinancial-accounting\u002F02-recording-transactions\u002F05-accounting-cycle",{"title":132,"path":133,"stem":134,"children":135},"3. Measurement and Adjustments","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F03-measurement-adjustments","en\u002Faccounting\u002Ffinancial-accounting\u002F03-measurement-adjustments\u002Findex",[136,137,141,145,149,153,157,161],{"title":132,"path":133,"stem":134},{"title":138,"path":139,"stem":140},"Revenue Recognition","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F03-measurement-adjustments\u002F07-revenue-recognition","en\u002Faccounting\u002Ffinancial-accounting\u002F03-measurement-adjustments\u002F07-revenue-recognition",{"title":142,"path":143,"stem":144},"Inventory","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F03-measurement-adjustments\u002F08-inventory","en\u002Faccounting\u002Ffinancial-accounting\u002F03-measurement-adjustments\u002F08-inventory",{"title":146,"path":147,"stem":148},"Receivables and Expected Credit Losses","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F03-measurement-adjustments\u002F09-receivables","en\u002Faccounting\u002Ffinancial-accounting\u002F03-measurement-adjustments\u002F09-receivables",{"title":150,"path":151,"stem":152},"Property, Plant and Equipment","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F03-measurement-adjustments\u002F10-ppe","en\u002Faccounting\u002Ffinancial-accounting\u002F03-measurement-adjustments\u002F10-ppe",{"title":154,"path":155,"stem":156},"Intangible Assets","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F03-measurement-adjustments\u002F11-intangibles","en\u002Faccounting\u002Ffinancial-accounting\u002F03-measurement-adjustments\u002F11-intangibles",{"title":158,"path":159,"stem":160},"Leases","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F03-measurement-adjustments\u002F12-leases","en\u002Faccounting\u002Ffinancial-accounting\u002F03-measurement-adjustments\u002F12-leases",{"title":162,"path":163,"stem":164},"Current and Deferred Income Tax","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F03-measurement-adjustments\u002F13-income-tax","en\u002Faccounting\u002Ffinancial-accounting\u002F03-measurement-adjustments\u002F13-income-tax",{"title":166,"path":167,"stem":168,"children":169},"4. Reporting and Cash","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F04-reporting-cash","en\u002Faccounting\u002Ffinancial-accounting\u002F04-reporting-cash\u002Findex",[170,171,175],{"title":166,"path":167,"stem":168},{"title":172,"path":173,"stem":174},"Linked Financial Statements","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F04-reporting-cash\u002F06-financial-statements","en\u002Faccounting\u002Ffinancial-accounting\u002F04-reporting-cash\u002F06-financial-statements",{"title":176,"path":177,"stem":178},"Cash, Reconciliation and Internal Control","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F04-reporting-cash\u002F14-cash-control","en\u002Faccounting\u002Ffinancial-accounting\u002F04-reporting-cash\u002F14-cash-control",{"title":180,"path":181,"stem":182,"children":183},"5. Analysis and Comparison","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F05-analysis-comparison","en\u002Faccounting\u002Ffinancial-accounting\u002F05-analysis-comparison\u002Findex",[184,185,189],{"title":180,"path":181,"stem":182},{"title":186,"path":187,"stem":188},"Ratio Analysis","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F05-analysis-comparison\u002F15-ratio-analysis","en\u002Faccounting\u002Ffinancial-accounting\u002F05-analysis-comparison\u002F15-ratio-analysis",{"title":190,"path":191,"stem":192},"IFRS versus US GAAP","\u002Fen\u002Faccounting\u002Ffinancial-accounting\u002F05-analysis-comparison\u002F25-ifrs-gaap","en\u002Faccounting\u002Ffinancial-accounting\u002F05-analysis-comparison\u002F25-ifrs-gaap",{"title":194,"path":195,"stem":196,"children":197},"Management Accounting","\u002Fen\u002Faccounting\u002Fmanagement-accounting","en\u002Faccounting\u002Fmanagement-accounting\u002Findex",[198,199,217,235],{"title":194,"path":195,"stem":196},{"title":200,"path":201,"stem":202,"children":203},"1. Cost Foundations","\u002Fen\u002Faccounting\u002Fmanagement-accounting\u002F01-cost-foundations","en\u002Faccounting\u002Fmanagement-accounting\u002F01-cost-foundations\u002Findex",[204,205,209,213],{"title":200,"path":201,"stem":202},{"title":206,"path":207,"stem":208},"Cost Concepts and Behaviour","\u002Fen\u002Faccounting\u002Fmanagement-accounting\u002F01-cost-foundations\u002F16-cost-concepts","en\u002Faccounting\u002Fmanagement-accounting\u002F01-cost-foundations\u002F16-cost-concepts",{"title":210,"path":211,"stem":212},"Costing Systems","\u002Fen\u002Faccounting\u002Fmanagement-accounting\u002F01-cost-foundations\u002F17-costing-systems","en\u002Faccounting\u002Fmanagement-accounting\u002F01-cost-foundations\u002F17-costing-systems",{"title":214,"path":215,"stem":216},"Variable and Absorption Costing","\u002Fen\u002Faccounting\u002Fmanagement-accounting\u002F01-cost-foundations\u002F19-variable-vs-absorption","en\u002Faccounting\u002Fmanagement-accounting\u002F01-cost-foundations\u002F19-variable-vs-absorption",{"title":218,"path":219,"stem":220,"children":221},"2. Planning and Control","\u002Fen\u002Faccounting\u002Fmanagement-accounting\u002F02-planning-control","en\u002Faccounting\u002Fmanagement-accounting\u002F02-planning-control\u002Findex",[222,223,227,231],{"title":218,"path":219,"stem":220},{"title":224,"path":225,"stem":226},"Cost–Volume–Profit Analysis","\u002Fen\u002Faccounting\u002Fmanagement-accounting\u002F02-planning-control\u002F18-cvp-analysis","en\u002Faccounting\u002Fmanagement-accounting\u002F02-planning-control\u002F18-cvp-analysis",{"title":228,"path":229,"stem":230},"Budgeting and Variance Analysis","\u002Fen\u002Faccounting\u002Fmanagement-accounting\u002F02-planning-control\u002F20-budgeting-variances","en\u002Faccounting\u002Fmanagement-accounting\u002F02-planning-control\u002F20-budgeting-variances",{"title":232,"path":233,"stem":234},"Performance Measurement","\u002Fen\u002Faccounting\u002Fmanagement-accounting\u002F02-planning-control\u002F21-performance-measurement","en\u002Faccounting\u002Fmanagement-accounting\u002F02-planning-control\u002F21-performance-measurement",{"title":236,"path":237,"stem":238,"children":239},"3. Decisions and Investment","\u002Fen\u002Faccounting\u002Fmanagement-accounting\u002F03-decisions-investment","en\u002Faccounting\u002Fmanagement-accounting\u002F03-decisions-investment\u002Findex",[240,241,245],{"title":236,"path":237,"stem":238},{"title":242,"path":243,"stem":244},"Short-Term Decisions","\u002Fen\u002Faccounting\u002Fmanagement-accounting\u002F03-decisions-investment\u002F22-short-term-decisions","en\u002Faccounting\u002Fmanagement-accounting\u002F03-decisions-investment\u002F22-short-term-decisions",{"title":246,"path":247,"stem":248},"Capital Budgeting","\u002Fen\u002Faccounting\u002Fmanagement-accounting\u002F03-decisions-investment\u002F23-capital-budgeting","en\u002Faccounting\u002Fmanagement-accounting\u002F03-decisions-investment\u002F23-capital-budgeting",false,{"title":251,"path":252,"stem":253,"children":254,"page":249},"Business Analytics","\u002Fen\u002Fbusiness-analytics","en\u002Fbusiness-analytics",[255,261,279,305,335,365,383,400],{"title":256,"path":257,"stem":258,"children":259},"Business Analytics — From Data to Defensible Action","\u002Fen\u002Fbusiness-analytics\u002F00-index","en\u002Fbusiness-analytics\u002F00-index",[260],{"title":256,"path":257,"stem":258},{"title":262,"path":263,"stem":264,"children":265},"0. Decision and Data Foundations","\u002Fen\u002Fbusiness-analytics\u002F00-intro","en\u002Fbusiness-analytics\u002F00-intro\u002Findex",[266,267,271,275],{"title":262,"path":263,"stem":264},{"title":268,"path":269,"stem":270},"Decision Framing","\u002Fen\u002Fbusiness-analytics\u002F00-intro\u002F01-decision-framing","en\u002Fbusiness-analytics\u002F00-intro\u002F01-decision-framing",{"title":272,"path":273,"stem":274},"Data Contracts","\u002Fen\u002Fbusiness-analytics\u002F00-intro\u002F02-data-contracts","en\u002Fbusiness-analytics\u002F00-intro\u002F02-data-contracts",{"title":276,"path":277,"stem":278},"Reproducible Analytics Workflow","\u002Fen\u002Fbusiness-analytics\u002F00-intro\u002F03-reproducible-workflow","en\u002Fbusiness-analytics\u002F00-intro\u002F03-reproducible-workflow",{"title":280,"path":281,"stem":282,"children":283},"1. Descriptive Analytics","\u002Fen\u002Fbusiness-analytics\u002F01-descriptive","en\u002Fbusiness-analytics\u002F01-descriptive\u002Findex",[284,285,289,293,297,301],{"title":280,"path":281,"stem":282},{"title":286,"path":287,"stem":288},"Distributions and Exploratory Data Analysis","\u002Fen\u002Fbusiness-analytics\u002F01-descriptive\u002F04-distributions-eda","en\u002Fbusiness-analytics\u002F01-descriptive\u002F04-distributions-eda",{"title":290,"path":291,"stem":292},"KPIs and Denominators","\u002Fen\u002Fbusiness-analytics\u002F01-descriptive\u002F05-kpis-denominators","en\u002Fbusiness-analytics\u002F01-descriptive\u002F05-kpis-denominators",{"title":294,"path":295,"stem":296},"Segments, Cohorts and Funnels","\u002Fen\u002Fbusiness-analytics\u002F01-descriptive\u002F06-segmentation-cohorts-funnels","en\u002Fbusiness-analytics\u002F01-descriptive\u002F06-segmentation-cohorts-funnels",{"title":298,"path":299,"stem":300},"Visual Evidence and Data Stories","\u002Fen\u002Fbusiness-analytics\u002F01-descriptive\u002F07-visualisation-story","en\u002Fbusiness-analytics\u002F01-descriptive\u002F07-visualisation-story",{"title":302,"path":303,"stem":304},"Experiments and Causal Boundaries","\u002Fen\u002Fbusiness-analytics\u002F01-descriptive\u002F08-experiments-causal-boundary","en\u002Fbusiness-analytics\u002F01-descriptive\u002F08-experiments-causal-boundary",{"title":306,"path":307,"stem":308,"children":309},"2. Predictive Analytics","\u002Fen\u002Fbusiness-analytics\u002F02-predictive","en\u002Fbusiness-analytics\u002F02-predictive\u002Findex",[310,311,315,319,323,327,331],{"title":306,"path":307,"stem":308},{"title":312,"path":313,"stem":314},"Validation, Baselines and Leakage","\u002Fen\u002Fbusiness-analytics\u002F02-predictive\u002F09-validation-leakage","en\u002Fbusiness-analytics\u002F02-predictive\u002F09-validation-leakage",{"title":316,"path":317,"stem":318},"Regression and Forecasting","\u002Fen\u002Fbusiness-analytics\u002F02-predictive\u002F10-regression-forecasting","en\u002Fbusiness-analytics\u002F02-predictive\u002F10-regression-forecasting",{"title":320,"path":321,"stem":322},"Classification and Calibration","\u002Fen\u002Fbusiness-analytics\u002F02-predictive\u002F11-classification-calibration","en\u002Fbusiness-analytics\u002F02-predictive\u002F11-classification-calibration",{"title":324,"path":325,"stem":326},"Trees and Ensembles","\u002Fen\u002Fbusiness-analytics\u002F02-predictive\u002F12-trees-ensembles","en\u002Fbusiness-analytics\u002F02-predictive\u002F12-trees-ensembles",{"title":328,"path":329,"stem":330},"Decision Metrics and Thresholds","\u002Fen\u002Fbusiness-analytics\u002F02-predictive\u002F13-decision-metrics-thresholds","en\u002Fbusiness-analytics\u002F02-predictive\u002F13-decision-metrics-thresholds",{"title":332,"path":333,"stem":334},"Explainability, Monitoring and Drift","\u002Fen\u002Fbusiness-analytics\u002F02-predictive\u002F14-explainability-drift","en\u002Fbusiness-analytics\u002F02-predictive\u002F14-explainability-drift",{"title":336,"path":337,"stem":338,"children":339},"3. Prescriptive Analytics","\u002Fen\u002Fbusiness-analytics\u002F03-prescriptive","en\u002Fbusiness-analytics\u002F03-prescriptive\u002Findex",[340,341,345,349,353,357,361],{"title":336,"path":337,"stem":338},{"title":342,"path":343,"stem":344},"Decision-Making under Uncertainty","\u002Fen\u002Fbusiness-analytics\u002F03-prescriptive\u002F15-decision-uncertainty","en\u002Fbusiness-analytics\u002F03-prescriptive\u002F15-decision-uncertainty",{"title":346,"path":347,"stem":348},"Linear Optimisation","\u002Fen\u002Fbusiness-analytics\u002F03-prescriptive\u002F16-linear-optimization","en\u002Fbusiness-analytics\u002F03-prescriptive\u002F16-linear-optimization",{"title":350,"path":351,"stem":352},"Inventory and Allocation","\u002Fen\u002Fbusiness-analytics\u002F03-prescriptive\u002F17-inventory-allocation","en\u002Fbusiness-analytics\u002F03-prescriptive\u002F17-inventory-allocation",{"title":354,"path":355,"stem":356},"Queueing and Simulation","\u002Fen\u002Fbusiness-analytics\u002F03-prescriptive\u002F18-queueing-simulation","en\u002Fbusiness-analytics\u002F03-prescriptive\u002F18-queueing-simulation",{"title":358,"path":359,"stem":360},"Pricing and Revenue Management","\u002Fen\u002Fbusiness-analytics\u002F03-prescriptive\u002F19-pricing-experimentation","en\u002Fbusiness-analytics\u002F03-prescriptive\u002F19-pricing-experimentation",{"title":362,"path":363,"stem":364},"Causal Targeting and Policy Learning","\u002Fen\u002Fbusiness-analytics\u002F03-prescriptive\u002F20-causal-targeting","en\u002Fbusiness-analytics\u002F03-prescriptive\u002F20-causal-targeting",{"title":366,"path":367,"stem":368,"children":369},"4. Deployment and Governance","\u002Fen\u002Fbusiness-analytics\u002F04-deployment","en\u002Fbusiness-analytics\u002F04-deployment\u002Findex",[370,371,375,379],{"title":366,"path":367,"stem":368},{"title":372,"path":373,"stem":374},"Data Products and Monitoring","\u002Fen\u002Fbusiness-analytics\u002F04-deployment\u002F21-data-products-monitoring","en\u002Fbusiness-analytics\u002F04-deployment\u002F21-data-products-monitoring",{"title":376,"path":377,"stem":378},"Governance, Fairness and Privacy","\u002Fen\u002Fbusiness-analytics\u002F04-deployment\u002F22-governance-fairness-privacy","en\u002Fbusiness-analytics\u002F04-deployment\u002F22-governance-fairness-privacy",{"title":380,"path":381,"stem":382},"Adoption and Business Value","\u002Fen\u002Fbusiness-analytics\u002F04-deployment\u002F23-adoption-value","en\u002Fbusiness-analytics\u002F04-deployment\u002F23-adoption-value",{"title":384,"path":385,"stem":386,"children":387},"Appendix and Revision Tools","\u002Fen\u002Fbusiness-analytics\u002Fappendix","en\u002Fbusiness-analytics\u002Fappendix\u002Findex",[388,389,393,397],{"title":384,"path":385,"stem":386},{"title":390,"path":391,"stem":392},"Formula and Decision Map","\u002Fen\u002Fbusiness-analytics\u002Fappendix\u002F24-formula-map","en\u002Fbusiness-analytics\u002Fappendix\u002F24-formula-map",{"title":394,"path":395,"stem":396},"Worked Examples and Pitfalls","\u002Fen\u002Fbusiness-analytics\u002Fappendix\u002F25-worked-examples-pitfalls","en\u002Fbusiness-analytics\u002Fappendix\u002F25-worked-examples-pitfalls",{"title":84,"path":398,"stem":399},"\u002Fen\u002Fbusiness-analytics\u002Fappendix\u002F26-reading-map","en\u002Fbusiness-analytics\u002Fappendix\u002F26-reading-map",{"title":401,"path":402,"stem":403,"children":404},"Capstone — The Evening Delivery Promise","\u002Fen\u002Fbusiness-analytics\u002Fcapstone","en\u002Fbusiness-analytics\u002Fcapstone\u002Findex",[405],{"title":401,"path":402,"stem":403},{"title":407,"path":408,"stem":409,"children":410,"page":249},"Financial Economic Time Series","\u002Fen\u002Ffinancial-economic-time-series","en\u002Ffinancial-economic-time-series",[411,417,423,429,435,441,447,453,459,465,471],{"title":412,"path":413,"stem":414,"children":415},"Financial and Economic Time Series — Course Guide","\u002Fen\u002Ffinancial-economic-time-series\u002F00-intro","en\u002Ffinancial-economic-time-series\u002F00-intro\u002Findex",[416],{"title":412,"path":413,"stem":414},{"title":418,"path":419,"stem":420,"children":421},"Three Versions of Time Series","\u002Fen\u002Ffinancial-economic-time-series\u002F01-bridge","en\u002Ffinancial-economic-time-series\u002F01-bridge\u002Findex",[422],{"title":418,"path":419,"stem":420},{"title":424,"path":425,"stem":426,"children":427},"Data, Clocks, and Transformations","\u002Fen\u002Ffinancial-economic-time-series\u002F02-data-transformations","en\u002Ffinancial-economic-time-series\u002F02-data-transformations\u002Findex",[428],{"title":424,"path":425,"stem":426},{"title":430,"path":431,"stem":432,"children":433},"Predictive Regressions and Persistent Predictors","\u002Fen\u002Ffinancial-economic-time-series\u002F03-predictive-regressions","en\u002Ffinancial-economic-time-series\u002F03-predictive-regressions\u002Findex",[434],{"title":430,"path":431,"stem":432},{"title":436,"path":437,"stem":438,"children":439},"Volatility, Tails, and Financial Risk","\u002Fen\u002Ffinancial-economic-time-series\u002F04-volatility-risk","en\u002Ffinancial-economic-time-series\u002F04-volatility-risk\u002Findex",[440],{"title":436,"path":437,"stem":438},{"title":442,"path":443,"stem":444,"children":445},"Unit Roots, Cointegration, and Error Correction","\u002Fen\u002Ffinancial-economic-time-series\u002F05-unit-roots-cointegration","en\u002Ffinancial-economic-time-series\u002F05-unit-roots-cointegration\u002Findex",[446],{"title":442,"path":443,"stem":444},{"title":448,"path":449,"stem":450,"children":451},"VAR, Structural Identification, and Local Projections","\u002Fen\u002Ffinancial-economic-time-series\u002F06-var-identification","en\u002Ffinancial-economic-time-series\u002F06-var-identification\u002Findex",[452],{"title":448,"path":449,"stem":450},{"title":454,"path":455,"stem":456,"children":457},"State Space, Mixed Frequency, and Nowcasting","\u002Fen\u002Ffinancial-economic-time-series\u002F07-state-space-nowcasting","en\u002Ffinancial-economic-time-series\u002F07-state-space-nowcasting\u002Findex",[458],{"title":454,"path":455,"stem":456},{"title":460,"path":461,"stem":462,"children":463},"Forecast Evaluation for Decisions","\u002Fen\u002Ffinancial-economic-time-series\u002F08-forecast-evaluation","en\u002Ffinancial-economic-time-series\u002F08-forecast-evaluation\u002Findex",[464],{"title":460,"path":461,"stem":462},{"title":466,"path":467,"stem":468,"children":469},"Integrated R Laboratory","\u002Fen\u002Ffinancial-economic-time-series\u002F09-r-laboratory","en\u002Ffinancial-economic-time-series\u002F09-r-laboratory\u002Findex",[470],{"title":466,"path":467,"stem":468},{"title":472,"path":473,"stem":474,"children":475},"Capstones, Data, and Reading Ladder","\u002Fen\u002Ffinancial-economic-time-series\u002F10-capstone-readings","en\u002Ffinancial-economic-time-series\u002F10-capstone-readings\u002Findex",[476],{"title":472,"path":473,"stem":474},{"title":478,"path":479,"stem":480,"children":481,"page":249},"Intro To Economics","\u002Fen\u002Fintro-to-economics","en\u002Fintro-to-economics",[482,486,490,494,498,502,506,510,514,518,522,526,530],{"title":483,"path":484,"stem":485},"Introduction to Economics — Decisions, Markets, and the Macroeconomy","\u002Fen\u002Fintro-to-economics\u002F00-intro","en\u002Fintro-to-economics\u002F00-intro",{"title":487,"path":488,"stem":489},"Chapter 1 — Choice, Opportunity Cost, and Trade","\u002Fen\u002Fintro-to-economics\u002F01-foundations","en\u002Fintro-to-economics\u002F01-foundations",{"title":491,"path":492,"stem":493},"Chapter 2 — Demand, Supply, Equilibrium, and Welfare","\u002Fen\u002Fintro-to-economics\u002F02-demand-and-supply","en\u002Fintro-to-economics\u002F02-demand-and-supply",{"title":495,"path":496,"stem":497},"Chapter 3 — Elasticity, Revenue, and Tax Incidence","\u002Fen\u002Fintro-to-economics\u002F03-elasticity","en\u002Fintro-to-economics\u002F03-elasticity",{"title":499,"path":500,"stem":501},"Chapter 4 — Firms, Market Power, and Market Failure","\u002Fen\u002Fintro-to-economics\u002F04-market-structures","en\u002Fintro-to-economics\u002F04-market-structures",{"title":503,"path":504,"stem":505},"Chapter 5 — GDP, Income, Wealth, and Welfare","\u002Fen\u002Fintro-to-economics\u002F05-gdp-and-wealth","en\u002Fintro-to-economics\u002F05-gdp-and-wealth",{"title":507,"path":508,"stem":509},"Chapter 6 — Inflation, Purchasing Power, and Labour Markets","\u002Fen\u002Fintro-to-economics\u002F06-inflation-and-unemployment","en\u002Fintro-to-economics\u002F06-inflation-and-unemployment",{"title":511,"path":512,"stem":513},"Chapter 7 — Productivity, Technology, and Economic Growth","\u002Fen\u002Fintro-to-economics\u002F07-economic-growth","en\u002Fintro-to-economics\u002F07-economic-growth",{"title":515,"path":516,"stem":517},"Chapter 8 — Money, Credit, and Banking","\u002Fen\u002Fintro-to-economics\u002F08-money-and-banking","en\u002Fintro-to-economics\u002F08-money-and-banking",{"title":519,"path":520,"stem":521},"Chapter 9 — Business Cycles, AD–AS, and Monetary Policy","\u002Fen\u002Fintro-to-economics\u002F09-monetary-policy-and-ad-as","en\u002Fintro-to-economics\u002F09-monetary-policy-and-ad-as",{"title":523,"path":524,"stem":525},"Chapter 10 — Fiscal Policy, Distribution, and Public Debt","\u002Fen\u002Fintro-to-economics\u002F10-fiscal-policy","en\u002Fintro-to-economics\u002F10-fiscal-policy",{"title":527,"path":528,"stem":529},"Chapter 11 — Trade, Capital Flows, and Exchange Rates","\u002Fen\u002Fintro-to-economics\u002F11-open-economy-and-exchange-rates","en\u002Fintro-to-economics\u002F11-open-economy-and-exchange-rates",{"title":531,"path":532,"stem":533},"Chapter 12 — Integrated Economic Analysis Studio","\u002Fen\u002Fintro-to-economics\u002F12-review-and-case-studies","en\u002Fintro-to-economics\u002F12-review-and-case-studies",{"title":535,"path":536,"stem":537,"children":538,"page":249},"Microeconometrics","\u002Fen\u002Fmicroeconometrics","en\u002Fmicroeconometrics",[539,557,563,581,603,629,651,673,691,709],{"title":540,"path":541,"stem":542,"children":543},"0. Causal Questions and Designs","\u002Fen\u002Fmicroeconometrics\u002F00-foundations","en\u002Fmicroeconometrics\u002F00-foundations\u002Findex",[544,545,549,553],{"title":540,"path":541,"stem":542},{"title":546,"path":547,"stem":548},"Causal Questions and Estimands","\u002Fen\u002Fmicroeconometrics\u002F00-foundations\u002F01-causal-question-estimands","en\u002Fmicroeconometrics\u002F00-foundations\u002F01-causal-question-estimands",{"title":550,"path":551,"stem":552},"Potential Outcomes and Experiments","\u002Fen\u002Fmicroeconometrics\u002F00-foundations\u002F02-potential-outcomes-experiments","en\u002Fmicroeconometrics\u002F00-foundations\u002F02-potential-outcomes-experiments",{"title":554,"path":555,"stem":556},"Causal Diagrams and Controls","\u002Fen\u002Fmicroeconometrics\u002F00-foundations\u002F03-dags-controls","en\u002Fmicroeconometrics\u002F00-foundations\u002F03-dags-controls",{"title":558,"path":559,"stem":560,"children":561},"Microeconometrics — Designing Credible Counterfactuals","\u002Fen\u002Fmicroeconometrics\u002F00-index","en\u002Fmicroeconometrics\u002F00-index",[562],{"title":558,"path":559,"stem":560},{"title":564,"path":565,"stem":566,"children":567},"1. Regression and Inference","\u002Fen\u002Fmicroeconometrics\u002F01-regression","en\u002Fmicroeconometrics\u002F01-regression\u002Findex",[568,569,573,577],{"title":564,"path":565,"stem":566},{"title":570,"path":571,"stem":572},"OLS as a Projection","\u002Fen\u002Fmicroeconometrics\u002F01-regression\u002F04-ols-projection","en\u002Fmicroeconometrics\u002F01-regression\u002F04-ols-projection",{"title":574,"path":575,"stem":576},"FWL, Selection and Controls","\u002Fen\u002Fmicroeconometrics\u002F01-regression\u002F05-fwl-selection-controls","en\u002Fmicroeconometrics\u002F01-regression\u002F05-fwl-selection-controls",{"title":578,"path":579,"stem":580},"Inference and Clustering","\u002Fen\u002Fmicroeconometrics\u002F01-regression\u002F06-inference-clustering","en\u002Fmicroeconometrics\u002F01-regression\u002F06-inference-clustering",{"title":582,"path":583,"stem":584,"children":585},"2. Instruments and Panel Data","\u002Fen\u002Fmicroeconometrics\u002F02-iv-panel","en\u002Fmicroeconometrics\u002F02-iv-panel\u002Findex",[586,587,591,595,599],{"title":582,"path":583,"stem":584},{"title":588,"path":589,"stem":590},"Instrumental Variables","\u002Fen\u002Fmicroeconometrics\u002F02-iv-panel\u002F07-iv-identification","en\u002Fmicroeconometrics\u002F02-iv-panel\u002F07-iv-identification",{"title":592,"path":593,"stem":594},"Weak Instruments and LATE","\u002Fen\u002Fmicroeconometrics\u002F02-iv-panel\u002F08-weak-iv-late","en\u002Fmicroeconometrics\u002F02-iv-panel\u002F08-weak-iv-late",{"title":596,"path":597,"stem":598},"Panel Fixed Effects","\u002Fen\u002Fmicroeconometrics\u002F02-iv-panel\u002F09-panel-fixed-effects","en\u002Fmicroeconometrics\u002F02-iv-panel\u002F09-panel-fixed-effects",{"title":600,"path":601,"stem":602},"Dynamic Panels and Limits","\u002Fen\u002Fmicroeconometrics\u002F02-iv-panel\u002F10-dynamic-panel","en\u002Fmicroeconometrics\u002F02-iv-panel\u002F10-dynamic-panel",{"title":604,"path":605,"stem":606,"children":607},"3. Policy Evaluation Designs","\u002Fen\u002Fmicroeconometrics\u002F03-policy-designs","en\u002Fmicroeconometrics\u002F03-policy-designs\u002Findex",[608,609,613,617,621,625],{"title":604,"path":605,"stem":606},{"title":610,"path":611,"stem":612},"Difference-in-Differences","\u002Fen\u002Fmicroeconometrics\u002F03-policy-designs\u002F11-did-core","en\u002Fmicroeconometrics\u002F03-policy-designs\u002F11-did-core",{"title":614,"path":615,"stem":616},"Staggered DID and Event Studies","\u002Fen\u002Fmicroeconometrics\u002F03-policy-designs\u002F12-staggered-event-studies","en\u002Fmicroeconometrics\u002F03-policy-designs\u002F12-staggered-event-studies",{"title":618,"path":619,"stem":620},"Regression Discontinuity","\u002Fen\u002Fmicroeconometrics\u002F03-policy-designs\u002F13-rdd","en\u002Fmicroeconometrics\u002F03-policy-designs\u002F13-rdd",{"title":622,"path":623,"stem":624},"Matching, Weighting and Overlap","\u002Fen\u002Fmicroeconometrics\u002F03-policy-designs\u002F14-matching-weighting","en\u002Fmicroeconometrics\u002F03-policy-designs\u002F14-matching-weighting",{"title":626,"path":627,"stem":628},"Synthetic Control","\u002Fen\u002Fmicroeconometrics\u002F03-policy-designs\u002F15-synthetic-control","en\u002Fmicroeconometrics\u002F03-policy-designs\u002F15-synthetic-control",{"title":630,"path":631,"stem":632,"children":633},"Module 4 — Choice and Limited Outcomes","\u002Fen\u002Fmicroeconometrics\u002F04-outcomes-choice","en\u002Fmicroeconometrics\u002F04-outcomes-choice\u002Findex",[634,635,639,643,647],{"title":630,"path":631,"stem":632},{"title":636,"path":637,"stem":638},"Binary Choice","\u002Fen\u002Fmicroeconometrics\u002F04-outcomes-choice\u002F16-binary-choice","en\u002Fmicroeconometrics\u002F04-outcomes-choice\u002F16-binary-choice",{"title":640,"path":641,"stem":642},"Multinomial and Ordered Choice","\u002Fen\u002Fmicroeconometrics\u002F04-outcomes-choice\u002F17-multinomial-choice","en\u002Fmicroeconometrics\u002F04-outcomes-choice\u002F17-multinomial-choice",{"title":644,"path":645,"stem":646},"Count Outcomes","\u002Fen\u002Fmicroeconometrics\u002F04-outcomes-choice\u002F18-count-outcomes","en\u002Fmicroeconometrics\u002F04-outcomes-choice\u002F18-count-outcomes",{"title":648,"path":649,"stem":650},"Censoring, Truncation and Selection","\u002Fen\u002Fmicroeconometrics\u002F04-outcomes-choice\u002F19-censoring-selection","en\u002Fmicroeconometrics\u002F04-outcomes-choice\u002F19-censoring-selection",{"title":652,"path":653,"stem":654,"children":655},"Module 5 — Modern Causal Analysis","\u002Fen\u002Fmicroeconometrics\u002F05-modern-causal","en\u002Fmicroeconometrics\u002F05-modern-causal\u002Findex",[656,657,661,665,669],{"title":652,"path":653,"stem":654},{"title":658,"path":659,"stem":660},"Double Machine Learning","\u002Fen\u002Fmicroeconometrics\u002F05-modern-causal\u002F20-dml","en\u002Fmicroeconometrics\u002F05-modern-causal\u002F20-dml",{"title":662,"path":663,"stem":664},"Heterogeneity and Policy Learning","\u002Fen\u002Fmicroeconometrics\u002F05-modern-causal\u002F21-heterogeneity-policy","en\u002Fmicroeconometrics\u002F05-modern-causal\u002F21-heterogeneity-policy",{"title":666,"path":667,"stem":668},"Sensitivity and Partial Identification","\u002Fen\u002Fmicroeconometrics\u002F05-modern-causal\u002F22-sensitivity-partial-id","en\u002Fmicroeconometrics\u002F05-modern-causal\u002F22-sensitivity-partial-id",{"title":670,"path":671,"stem":672},"External Validity and Transport","\u002Fen\u002Fmicroeconometrics\u002F05-modern-causal\u002F23-external-validity","en\u002Fmicroeconometrics\u002F05-modern-causal\u002F23-external-validity",{"title":674,"path":675,"stem":676,"children":677},"Module 6 — From Data to Auditable Evidence","\u002Fen\u002Fmicroeconometrics\u002F06-workflow","en\u002Fmicroeconometrics\u002F06-workflow\u002Findex",[678,679,683,687],{"title":674,"path":675,"stem":676},{"title":680,"path":681,"stem":682},"Data Provenance","\u002Fen\u002Fmicroeconometrics\u002F06-workflow\u002F24-data-provenance","en\u002Fmicroeconometrics\u002F06-workflow\u002F24-data-provenance",{"title":684,"path":685,"stem":686},"Reproducibility and Reporting","\u002Fen\u002Fmicroeconometrics\u002F06-workflow\u002F25-reproducibility-reporting","en\u002Fmicroeconometrics\u002F06-workflow\u002F25-reproducibility-reporting",{"title":688,"path":689,"stem":690},"Paper and Evidence Audit","\u002Fen\u002Fmicroeconometrics\u002F06-workflow\u002F26-paper-audit","en\u002Fmicroeconometrics\u002F06-workflow\u002F26-paper-audit",{"title":692,"path":693,"stem":694,"children":695},"Appendix — Revision and Evidence Map","\u002Fen\u002Fmicroeconometrics\u002Fappendix","en\u002Fmicroeconometrics\u002Fappendix\u002Findex",[696,697,701,705],{"title":692,"path":693,"stem":694},{"title":698,"path":699,"stem":700},"Formula and Design Map","\u002Fen\u002Fmicroeconometrics\u002Fappendix\u002F27-formula-design-map","en\u002Fmicroeconometrics\u002Fappendix\u002F27-formula-design-map",{"title":702,"path":703,"stem":704},"Ten Worked Microeconometric Pitfalls","\u002Fen\u002Fmicroeconometrics\u002Fappendix\u002F28-worked-pitfalls","en\u002Fmicroeconometrics\u002Fappendix\u002F28-worked-pitfalls",{"title":706,"path":707,"stem":708},"Reading and Software Map","\u002Fen\u002Fmicroeconometrics\u002Fappendix\u002F29-reading-software-map","en\u002Fmicroeconometrics\u002Fappendix\u002F29-reading-software-map",{"title":710,"path":711,"stem":712,"children":713},"Capstone — Should Northbridge Expand Pathways?","\u002Fen\u002Fmicroeconometrics\u002Fcapstone","en\u002Fmicroeconometrics\u002Fcapstone\u002Findex",[714],{"title":710,"path":711,"stem":712},{"title":716,"path":717,"stem":718,"children":719,"page":249},"Microeconomics","\u002Fen\u002Fmicroeconomics","en\u002Fmicroeconomics",[720,726,732,738,744,750,756,762,768,774,780,786,792],{"title":721,"path":722,"stem":723,"children":724},"Advanced Microeconomics — Course Guide","\u002Fen\u002Fmicroeconomics\u002F00-intro","en\u002Fmicroeconomics\u002F00-intro\u002Findex",[725],{"title":721,"path":722,"stem":723},{"title":727,"path":728,"stem":729,"children":730},"Module 1 — Choice, Duality, and Revealed Preference","\u002Fen\u002Fmicroeconomics\u002F01-fundations","en\u002Fmicroeconomics\u002F01-fundations\u002Findex",[731],{"title":727,"path":728,"stem":729},{"title":733,"path":734,"stem":735,"children":736},"Module 2 — Comparative Statics and Welfare Measurement","\u002Fen\u002Fmicroeconomics\u002F02-comparative-statics","en\u002Fmicroeconomics\u002F02-comparative-statics\u002Findex",[737],{"title":733,"path":734,"stem":735},{"title":739,"path":740,"stem":741,"children":742},"Module 3 — Choice under Risk and Insurance","\u002Fen\u002Fmicroeconomics\u002F03-uncertainty","en\u002Fmicroeconomics\u002F03-uncertainty\u002Findex",[743],{"title":739,"path":740,"stem":741},{"title":745,"path":746,"stem":747,"children":748},"Module 4 — General Equilibrium and Welfare","\u002Fen\u002Fmicroeconomics\u002F04-general-equilibrium","en\u002Fmicroeconomics\u002F04-general-equilibrium\u002Findex",[749],{"title":745,"path":746,"stem":747},{"title":751,"path":752,"stem":753,"children":754},"Module 5 — Static, Dynamic, and Repeated Games","\u002Fen\u002Fmicroeconomics\u002F05-game-theory","en\u002Fmicroeconomics\u002F05-game-theory\u002Findex",[755],{"title":751,"path":752,"stem":753},{"title":757,"path":758,"stem":759,"children":760},"Module 6 — Oligopoly, Entry, and Algorithmic Pricing","\u002Fen\u002Fmicroeconomics\u002F06-oligopoly","en\u002Fmicroeconomics\u002F06-oligopoly\u002Findex",[761],{"title":757,"path":758,"stem":759},{"title":763,"path":764,"stem":765,"children":766},"Module 7 — Information Economics and Contracts","\u002Fen\u002Fmicroeconomics\u002F07-information-economics","en\u002Fmicroeconomics\u002F07-information-economics\u002Findex",[767],{"title":763,"path":764,"stem":765},{"title":769,"path":770,"stem":771,"children":772},"Module 8 — Mechanism Design and Auctions","\u002Fen\u002Fmicroeconomics\u002F08-mechanism-design","en\u002Fmicroeconomics\u002F08-mechanism-design\u002Findex",[773],{"title":769,"path":770,"stem":771},{"title":775,"path":776,"stem":777,"children":778},"Module 9 — Behavioural and Experimental Microeconomics","\u002Fen\u002Fmicroeconomics\u002F09-behavioural-economics","en\u002Fmicroeconomics\u002F09-behavioural-economics\u002Findex",[779],{"title":775,"path":776,"stem":777},{"title":781,"path":782,"stem":783,"children":784},"Module 10 — Externalities, Public Goods, and Collective Action","\u002Fen\u002Fmicroeconomics\u002F10-externalities-public-goods","en\u002Fmicroeconomics\u002F10-externalities-public-goods\u002Findex",[785],{"title":781,"path":782,"stem":783},{"title":787,"path":788,"stem":789,"children":790},"Module 11 — Matching and Market Design","\u002Fen\u002Fmicroeconomics\u002F11-market-design","en\u002Fmicroeconomics\u002F11-market-design\u002Findex",[791],{"title":787,"path":788,"stem":789},{"title":793,"path":794,"stem":795,"children":796},"Module 12 — Integrated Microeconomic Design Studio","\u002Fen\u002Fmicroeconomics\u002F12-review","en\u002Fmicroeconomics\u002F12-review\u002Findex",[797],{"title":793,"path":794,"stem":795},{"title":799,"path":800,"stem":801,"children":802},"Playground","\u002Fen\u002Fplayground","en\u002Fplayground\u002Findex",[803,804,808,812,816,820],{"title":799,"path":800,"stem":801},{"title":805,"path":806,"stem":807},"Typst Plugin Playground","\u002Fen\u002Fplayground\u002F01-typstex","en\u002Fplayground\u002F01-typstex",{"title":809,"path":810,"stem":811},"Citation Plugin Test","\u002Fen\u002Fplayground\u002F02-citation","en\u002Fplayground\u002F02-citation",{"title":813,"path":814,"stem":815},"Pyodide Playground","\u002Fen\u002Fplayground\u002F03-pyodide","en\u002Fplayground\u002F03-pyodide",{"title":817,"path":818,"stem":819},"WebR Playground","\u002Fen\u002Fplayground\u002F04-webr","en\u002Fplayground\u002F04-webr",{"title":821,"path":822,"stem":823},"Chart.js 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文献综述的构建与写作","\u002Fzh\u002Facademic-writing\u002F04-writing-the-literature-review","zh\u002Facademic-writing\u002F04-writing-the-literature-review",{"title":1056,"path":1057,"stem":1058},"8. 文献综述清单与模板","\u002Fzh\u002Facademic-writing\u002F08-literature-review-checklist-and-template","zh\u002Facademic-writing\u002F08-literature-review-checklist-and-template",{"title":1060,"path":1061,"stem":1062},"10. 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Probability","\u002Fzh\u002Fprob-and-stats\u002F01-probability","zh\u002Fprob-and-stats\u002F01-probability",[1650,1656,1662,1668,1674],{"title":1651,"path":1652,"stem":1653,"children":1654},"第一章：概率论基础","\u002Fzh\u002Fprob-and-stats\u002F01-probability\u002F01-prob-theory","zh\u002Fprob-and-stats\u002F01-probability\u002F01-prob-theory\u002Findex",[1655],{"title":1651,"path":1652,"stem":1653},{"title":1657,"path":1658,"stem":1659,"children":1660},"第二章：随机变量与分布","\u002Fzh\u002Fprob-and-stats\u002F01-probability\u002F02-random-variables","zh\u002Fprob-and-stats\u002F01-probability\u002F02-random-variables\u002Findex",[1661],{"title":1657,"path":1658,"stem":1659},{"title":1663,"path":1664,"stem":1665,"children":1666},"第三章：期望、方差与条件矩","\u002Fzh\u002Fprob-and-stats\u002F01-probability\u002F03-moment","zh\u002Fprob-and-stats\u002F01-probability\u002F03-moment\u002Findex",[1667],{"title":1663,"path":1664,"stem":1665},{"title":1669,"path":1670,"stem":1671,"children":1672},"第四章：常见分布族与建模机制","\u002Fzh\u002Fprob-and-stats\u002F01-probability\u002F04-families","zh\u002Fprob-and-stats\u002F01-probability\u002F04-families\u002Findex",[1673],{"title":1669,"path":1670,"stem":1671},{"title":1675,"path":1676,"stem":1677,"children":1678},"第五章：收敛与渐近理论","\u002Fzh\u002Fprob-and-stats\u002F01-probability\u002F05-asymptotics","zh\u002Fprob-and-stats\u002F01-probability\u002F05-asymptotics\u002Findex",[1679],{"title":1675,"path":1676,"stem":1677},{"title":1681,"path":1682,"stem":1683,"children":1684,"page":249},"02 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策略全流程","\u002Fzh\u002Fquant\u002F09-case-study","zh\u002Fquant\u002F09-case-study",{"title":1779,"path":1780,"stem":1781},"量化投资文献与软件图谱","\u002Fzh\u002Fquant\u002F10-reading-software-map","zh\u002Fquant\u002F10-reading-software-map",{"path":496},{"id":1784,"title":1382,"body":1785,"description":2785,"extension":2786,"features":2787,"hero":2787,"layout":2787,"locale":2787,"meta":2788,"navigation":2787,"path":1383,"published":2789,"seo":2790,"stem":1384,"__hash__":2791},"docs\u002Fzh\u002Fintro-to-economics\u002F03-elasticity.md",{"type":1786,"value":1787,"toc":2758},"minimark",[1788,1793,1798,1802,1811,1823,1830,1833,1836,1839,1858,1860,1864,1874,1877,2114,2123,2127,2171,2173,2177,2180,2184,2191,2195,2204,2208,2214,2217,2225,2227,2231,2234,2238,2252,2256,2270,2274,2288,2292,2306,2308,2312,2322,2325,2330,2357,2362,2383,2395,2399,2402,2405,2573,2576,2579,2587,2590,2592,2596,2599,2660,2662,2665,2697,2699,2702,2745,2747,2751],[1789,1790,1792],"h1",{"id":1791},"第3章弹性-elasticity-对价格有多敏感","第3章：弹性 (Elasticity) —— 对价格有多“敏感”？",[1794,1795,1797],"h2",{"id":1796},"_30-引言为什么高铁票很少打折而奶茶却天天促销","3.0 引言：为什么高铁票很少打折，而奶茶却天天促销？",[1799,1800,1801],"p",{},"在上一章我们学到了“需求法则”：价格下降，买的人就会变多。但这引发了商家的一个终极灵魂拷问：",[1803,1804,1805],"blockquote",{},[1799,1806,1807],{},[1808,1809,1810],"em",{},"如果我把商品降价10%，销量是会增加一丁点（比如2%），还是会暴涨（比如50%）？",[1799,1812,1813,1814,1818,1819,1822],{},"如果是前者，降价就是在亏钱；如果是后者，降价就能让我赚得盆满钵满。\n为了衡量这种“究竟能涨多少\u002F跌多少”的",[1815,1816,1817],"strong",{},"反应程度（敏感度）","，经济学家发明了一个强大的工具：",[1815,1820,1821],{},"弹性 (Elasticity)","。",[1799,1824,1825,1826,1829],{},"在本章，我们将重点探讨最核心的概念——",[1815,1827,1828],{},"需求的价格弹性 (Price Elasticity of Demand, 简称 PED)","，并学习如何利用它来做商业决策。",[1831,1832],"hr",{},[1794,1834,1835],{"id":1835},"学习目标",[1799,1837,1838],{},"学完本章后，你应该能够：",[1840,1841,1842,1846,1849,1852,1855],"ol",{},[1843,1844,1845],"li",{},"计算并解释需求价格弹性。",[1843,1847,1848],{},"判断需求是富有弹性、缺乏弹性，还是单位弹性。",[1843,1850,1851],{},"用替代品、收入占比、必需品\u002F奢侈品和时间解释弹性的大小。",[1843,1853,1854],{},"根据弹性判断涨价或降价对总收益的影响。",[1843,1856,1857],{},"区分需求价格弹性、收入弹性、交叉价格弹性和供给价格弹性。",[1831,1859],{},[1794,1861,1863],{"id":1862},"_31-什么是需求的价格弹性-ped","3.1 什么是需求的价格弹性 (PED)？",[1799,1865,1866,1869,1870,1873],{},[1815,1867,1868],{},"需求的价格弹性 (PED)"," 衡量的是：当商品的价格发生一定比例的变化时，消费者购买的数量会发生",[1815,1871,1872],{},"多大比例","的变化。",[1799,1875,1876],{},"它的计算公式非常直白：",[1878,1879,1882],"span",{"className":1880},[1881],"katex-display",[1878,1883,1886,1951],{"className":1884},[1885],"katex",[1878,1887,1890],{"className":1888},[1889],"katex-mathml",[1891,1892,1895],"math",{"xmlns":1893,"display":1894},"http:\u002F\u002Fwww.w3.org\u002F1998\u002FMath\u002FMathML","block",[1896,1897,1898,1946],"semantics",{},[1899,1900,1901,1905,1908,1911,1915],"mrow",{},[1902,1903,1904],"mi",{},"P",[1902,1906,1907],{},"E",[1902,1909,1910],{},"D",[1912,1913,1914],"mo",{},"=",[1916,1917,1918,1934],"mfrac",{},[1899,1919,1920,1924,1931],{},[1921,1922,1923],"mtext",{},"需求量变化的百分比 (% ",[1925,1926,1928],"mstyle",{"mathcolor":1927},"#cc0000",[1921,1929,1930],{},"\\Delta",[1921,1932,1933],{},"Qd)",[1899,1935,1936,1939,1943],{},[1921,1937,1938],{},"价格变化的百分比 (% ",[1925,1940,1941],{"mathcolor":1927},[1921,1942,1930],{},[1921,1944,1945],{},"P)",[1947,1948,1950],"annotation",{"encoding":1949},"application\u002Fx-tex","PED = \\frac{\\text{需求量变化的百分比 (\\% \\Delta Qd)}}{\\text{价格变化的百分比 (\\% \\Delta P)}}",[1878,1952,1956,1991],{"className":1953,"ariaHidden":1955},[1954],"katex-html","true",[1878,1957,1960,1965,1971,1975,1979,1984,1988],{"className":1958},[1959],"base",[1878,1961],{"className":1962,"style":1964},[1963],"strut","height:0.6833em;",[1878,1966,1904],{"className":1967,"style":1970},[1968,1969],"mord","mathnormal","margin-right:0.1389em;",[1878,1972,1907],{"className":1973,"style":1974},[1968,1969],"margin-right:0.0576em;",[1878,1976,1910],{"className":1977,"style":1978},[1968,1969],"margin-right:0.0278em;",[1878,1980],{"className":1981,"style":1983},[1982],"mspace","margin-right:0.2778em;",[1878,1985,1914],{"className":1986},[1987],"mrel",[1878,1989],{"className":1990,"style":1983},[1982],[1878,1992,1994,1998],{"className":1993},[1959],[1878,1995],{"className":1996,"style":1997},[1963],"height:2.363em;vertical-align:-0.936em;",[1878,1999,2001,2006,2110],{"className":2000},[1968],[1878,2002],{"className":2003},[2004,2005],"mopen","nulldelimiter",[1878,2007,2009],{"className":2008},[1916],[1878,2010,2014,2101],{"className":2011},[2012,2013],"vlist-t","vlist-t2",[1878,2015,2018,2096],{"className":2016},[2017],"vlist-r",[1878,2019,2023,2057,2068],{"className":2020,"style":2022},[2021],"vlist","height:1.427em;",[1878,2024,2026,2031],{"style":2025},"top:-2.314em;",[1878,2027],{"className":2028,"style":2030},[2029],"pstrut","height:3em;",[1878,2032,2034],{"className":2033},[1968],[1878,2035,2038,2043,2047,2054],{"className":2036},[1968,2037],"text",[1878,2039,2042],{"className":2040},[1968,2041],"cjk_fallback","价格变化的百分比",[1878,2044,2046],{"className":2045},[1968]," (% ",[1878,2048,2051],{"className":2049,"style":2050},[1968,2037],"color:#cc0000;",[1878,2052,1930],{"className":2053,"style":2050},[1968],[1878,2055,1945],{"className":2056},[1968],[1878,2058,2060,2063],{"style":2059},"top:-3.23em;",[1878,2061],{"className":2062,"style":2030},[2029],[1878,2064],{"className":2065,"style":2067},[2066],"frac-line","border-bottom-width:0.04em;",[1878,2069,2071,2074],{"style":2070},"top:-3.677em;",[1878,2072],{"className":2073,"style":2030},[2029],[1878,2075,2077],{"className":2076},[1968],[1878,2078,2080,2084,2087,2093],{"className":2079},[1968,2037],[1878,2081,2083],{"className":2082},[1968,2041],"需求量变化的百分比",[1878,2085,2046],{"className":2086},[1968],[1878,2088,2090],{"className":2089,"style":2050},[1968,2037],[1878,2091,1930],{"className":2092,"style":2050},[1968],[1878,2094,1933],{"className":2095},[1968],[1878,2097,2100],{"className":2098},[2099],"vlist-s","​",[1878,2102,2104],{"className":2103},[2017],[1878,2105,2108],{"className":2106,"style":2107},[2021],"height:0.936em;",[1878,2109],{},[1878,2111],{"className":2112},[2113,2005],"mclose",[1799,2115,2116],{},[1808,2117,2118,2119,2122],{},"(注意：因为价格和需求量总是反向变动，算出来的数值技术上是个负数，但在经济学中我们通常只看它的",[1815,2120,2121],{},"绝对值","。)",[2124,2125,2126],"h3",{"id":2126},"解读这个数字",[2128,2129,2130,2147,2161],"ul",{},[1843,2131,2132,2135,2136,2139,2140,2143,2144,1822],{},[1815,2133,2134],{},"如果结果 > 1："," 说明数量变化的幅度 ",[1815,2137,2138],{},"大于"," 价格变化的幅度。这叫 ",[1815,2141,2142],{},"富有弹性 (Elastic)","。消费者对价格",[1815,2145,2146],{},"非常敏感",[1843,2148,2149,2135,2152,2139,2155,2143,2158,1822],{},[1815,2150,2151],{},"如果结果 \u003C 1：",[1815,2153,2154],{},"小于",[1815,2156,2157],{},"缺乏弹性 (Inelastic)",[1815,2159,2160],{},"不敏感",[1843,2162,2163,2166,2167,2170],{},[1815,2164,2165],{},"如果结果 = 1："," 我们称之为 ",[1815,2168,2169],{},"单位弹性 (Unit Elastic)","，降价10%，销量正好涨10%。",[1831,2172],{},[1794,2174,2176],{"id":2175},"_32-图形上的弹性陡峭-vs-平坦","3.2 图形上的弹性：陡峭 vs. 平坦",[1799,2178,2179],{},"在图表上，需求曲线的斜率可以直观地展示弹性的特征。",[2124,2181,2183],{"id":2182},"_1-缺乏弹性的需求曲线-inelastic-demand","1. 缺乏弹性的需求曲线 (Inelastic Demand)",[1799,2185,2186,2187,2190],{},"曲线非常",[1815,2188,2189],{},"陡峭 (Steep)","。价格发生巨大变化，数量只有微小变动。",[2192,2193],"mermaid-diagram",{"code64":2194,"locale":7},"eHljaGFydC1iZXRhCiAgICB0aXRsZSAi57y65LmP5by55oCnIChJbmVsYXN0aWMpIC0g5L6L5aaC77ya5pWR5ZG96I2vIgogICAgeC1heGlzICLmlbDph48gKFEpIiBbMCwgMSwgMiwgMywgNCwgNV0KICAgIHktYXhpcyAi5Lu35qC8IChQKSIgMCAtLT4gNTAKICAgIGxpbmUgWzUwLCA0NSwgNDAsIDM1LCAzMCwgMjVd",[1803,2196,2197],{},[1799,2198,2199,2200,2203],{},"💡 ",[1815,2201,2202],{},"本土案例：胰岛素 或 春运高铁票","\n对于糖尿病人来说，胰岛素是刚需。即使胰岛素涨价一倍，患者无论如何也得买，需求量只会下降一点点。同理，春节回老家过年的高铁票，就算取消一切折扣，外地打工人该买还是得买。这时候，需求就是“缺乏弹性”的。",[2124,2205,2207],{"id":2206},"_2-富有弹性的需求曲线-elastic-demand","2. 富有弹性的需求曲线 (Elastic Demand)",[1799,2209,2186,2210,2213],{},[1815,2211,2212],{},"平坦 (Flat)","。价格轻微变动，数量就会发生巨大变化。",[2192,2215],{"code64":2216,"locale":7},"eHljaGFydC1iZXRhCiAgICB0aXRsZSAi5a+M5pyJ5by55oCnIChFbGFzdGljKSAtIOS+i+Wmgu+8mue9kee6ouWltuiMtiIKICAgIHgtYXhpcyAi5pWw6YePIChRKSIgWzAsIDEwLCAyMCwgMzAsIDQwLCA1MF0KICAgIHktYXhpcyAi5Lu35qC8IChQKSIgMCAtLT4gNTAKICAgIGxpbmUgWzMwLCAyOCwgMjYsIDI0LCAyMiwgMjBd",[1803,2218,2219],{},[1799,2220,2199,2221,2224],{},[1815,2222,2223],{},"本土案例：喜茶等高端现制茶饮","\n假如一条商业街上有喜茶、奈雪、霸王茶姬等多家奶茶店。如果其中一家突然涨价 30%，消费者立刻会觉得“没必要喝这么贵的”，转头去买隔壁的品牌。微小的涨价会导致客流量断崖式下跌，这种需求就是“富有弹性”的。",[1831,2226],{},[1794,2228,2230],{"id":2229},"_33-决定弹性的四大关键因素-splt","3.3 决定弹性的四大关键因素 (SPLT)",[1799,2232,2233],{},"为什么有些东西大家非买不可，有些东西稍微一涨价大家就不买了？主要看以下四个因素：",[2124,2235,2237],{"id":2236},"_1-s-substitutes-替代品的数量","1. S - Substitutes (替代品的数量)",[2128,2239,2240,2246],{},[1843,2241,2242,2245],{},[1815,2243,2244],{},"替代品多 = 富有弹性。"," 如果一种商品很容易被替代，它的弹性就大。比如白心火龙果涨价了，人们马上改吃红心火龙果或者苹果。",[1843,2247,2248,2251],{},[1815,2249,2250],{},"替代品少 = 缺乏弹性。"," 比如食盐。炒菜必须放盐，而且没有别的调料能替代它的咸味。哪怕盐价翻倍，你每个月还是得消费那么多盐。",[2124,2253,2255],{"id":2254},"_2-p-proportion-of-income-占收入的比例","2. P - Proportion of Income (占收入的比例)",[2128,2257,2258,2264],{},[1843,2259,2260,2263],{},[1815,2261,2262],{},"占比大 = 富有弹性。"," 比如买一辆汽车或者在三亚订五星级度假酒店。这要花掉很多钱，一旦涨价，消费者会非常敏锐地感受到肉痛，从而取消购买。",[1843,2265,2266,2269],{},[1815,2267,2268],{},"占比小 = 缺乏弹性。"," 比如牙签、抽纸、买菜用的塑料袋。一盒牙签从 2块钱涨到 4块钱（涨幅100%），你大概率根本不会在意，照买不误。",[2124,2271,2273],{"id":2272},"_3-l-luxury-vs-necessity-奢侈品还是必需品","3. L - Luxury vs. Necessity (奢侈品还是必需品)",[2128,2275,2276,2282],{},[1843,2277,2278,2281],{},[1815,2279,2280],{},"必需品 = 缺乏弹性。"," 大米、水电费、治疗慢性病的药物。涨价也得用。",[1843,2283,2284,2287],{},[1815,2285,2286],{},"奢侈品 = 富有弹性。"," 买只名牌包包，或者出国旅游。一旦价格超出预算，人们可以毫不犹豫地把这笔预算砍掉。",[2124,2289,2291],{"id":2290},"_4-t-time-时间的长短","4. T - Time (时间的长短)",[2128,2293,2294,2300],{},[1843,2295,2296,2299],{},[1815,2297,2298],{},"时间短 = 缺乏弹性。"," 比如今天早上你必须开车去签一个几百万的合同，路上发现加油站涨价了，你也只能咬牙加满。",[1843,2301,2302,2305],{},[1815,2303,2304],{},"时间长 = 富有弹性。"," 如果汽油在此后的一整年里都维持天价，人们就有时间去买新能源车（如比亚迪、特斯拉），或者干脆搬到离地铁站更近的地方。长期来看，消费者总能找到替代方案。",[1831,2307],{},[1794,2309,2311],{"id":2310},"_34-企业的终极武器总收益测试-total-revenue-test","3.4 企业的终极武器：总收益测试 (Total Revenue Test)",[1799,2313,2314,2315,2318,2319,1822],{},"作为商学院的学生，这是最实用的一节：",[1815,2316,2317],{},"我到底该不该降价？","\n企业的",[1815,2320,2321],{},"总收益 (Total Revenue, TR) = 价格 (P) × 数量 (Q)",[1799,2323,2324],{},"我们直接看测试规则：",[1799,2326,2327],{},[1815,2328,2329],{},"情况 A：如果你的产品【缺乏弹性】（如：景区矿泉水、唯一的高速公路过路费）",[2128,2331,2332,2342,2348],{},[1843,2333,2334,2337,2338,2341],{},[1815,2335,2336],{},"策略："," 你应该 ",[1815,2339,2340],{},"涨价 (Raise Price)","！",[1843,2343,2344,2347],{},[1815,2345,2346],{},"原因："," 虽然涨价会赶走一小部分客户（Q小幅下降），但留下来的大多数客户支付了高得多的价格（P大幅上升）。",[1843,2349,2350,2353,2354,1822],{},[1815,2351,2352],{},"结果："," P的增加抵消了Q的减少，",[1815,2355,2356],{},"总收益上升",[1799,2358,2359],{},[1815,2360,2361],{},"情况 B：如果你的产品【富有弹性】（如：美妆、零食、快消服装）",[2128,2363,2364,2371,2376],{},[1843,2365,2366,2337,2368,2341],{},[1815,2367,2336],{},[1815,2369,2370],{},"降价打折 (Lower Price)",[1843,2372,2373,2375],{},[1815,2374,2346],{}," 虽然你单件赚得少了（P小幅下降），但降价会吸引巨量的新客户涌入蜂抢（Q大幅上升）。",[1843,2377,2378,2380,2381,1822],{},[1815,2379,2352],{}," Q的增加填补了P的减少（薄利多销），",[1815,2382,2356],{},[1803,2384,2385],{},[1799,2386,2199,2387,2390,2391,2394],{},[1815,2388,2389],{},"商业实战案例：“百亿补贴”与直播带货的逻辑","\n为什么李佳琦或疯狂小杨哥的直播间总是强调“全网最低价”并销售化妆品、零食、纸巾？因为这些产品往往具有大量的替代品，属于",[1815,2392,2393],{},"富有弹性","的商品。通过直播间拿到的极致低价，能瞬间激发出惊人的销量（Qd的暴涨），最终让品牌方和主播实现总收益的最大化。你几乎不会在直播间看到主播用“全网最低价”去带货百草枯、骨折钢钉这类的极端刚需品。",[2124,2396,2398],{"id":2397},"计算例题健身房该不该涨价","计算例题：健身房该不该涨价？",[1799,2400,2401],{},"假设一家健身房把月卡从 40 美元涨到 44 美元，价格上涨 10%。会员数从 1000 人降到 970 人，数量下降 3%。",[1799,2403,2404],{},"用绝对值计算：",[1878,2406,2408],{"className":2407},[1881],[1878,2409,2411,2455],{"className":2410},[1885],[1878,2412,2414],{"className":2413},[1889],[1891,2415,2416],{"xmlns":1893,"display":1894},[1896,2417,2418,2452],{},[1899,2419,2420,2422,2424,2426,2428,2447,2449],{},[1902,2421,1904],{},[1902,2423,1907],{},[1902,2425,1910],{},[1912,2427,1914],{},[1916,2429,2430,2440],{},[1899,2431,2432,2436],{},[2433,2434,2435],"mn",{},"3",[1902,2437,2439],{"mathvariant":2438},"normal","%",[1899,2441,2442,2445],{},[2433,2443,2444],{},"10",[1902,2446,2439],{"mathvariant":2438},[1912,2448,1914],{},[2433,2450,2451],{},"0.3.",[1947,2453,2454],{"encoding":1949},"PED = \\frac{3\\%}{10\\%} = 0.3.",[1878,2456,2458,2482,2563],{"className":2457,"ariaHidden":1955},[1954],[1878,2459,2461,2464,2467,2470,2473,2476,2479],{"className":2460},[1959],[1878,2462],{"className":2463,"style":1964},[1963],[1878,2465,1904],{"className":2466,"style":1970},[1968,1969],[1878,2468,1907],{"className":2469,"style":1974},[1968,1969],[1878,2471,1910],{"className":2472,"style":1978},[1968,1969],[1878,2474],{"className":2475,"style":1983},[1982],[1878,2477,1914],{"className":2478},[1987],[1878,2480],{"className":2481,"style":1983},[1982],[1878,2483,2485,2489,2554,2557,2560],{"className":2484},[1959],[1878,2486],{"className":2487,"style":2488},[1963],"height:2.1686em;vertical-align:-0.7416em;",[1878,2490,2492,2495,2551],{"className":2491},[1968],[1878,2493],{"className":2494},[2004,2005],[1878,2496,2498],{"className":2497},[1916],[1878,2499,2501,2542],{"className":2500},[2012,2013],[1878,2502,2504,2539],{"className":2503},[2017],[1878,2505,2507,2519,2527],{"className":2506,"style":2022},[2021],[1878,2508,2509,2512],{"style":2025},[1878,2510],{"className":2511,"style":2030},[2029],[1878,2513,2515],{"className":2514},[1968],[1878,2516,2518],{"className":2517},[1968],"10%",[1878,2520,2521,2524],{"style":2059},[1878,2522],{"className":2523,"style":2030},[2029],[1878,2525],{"className":2526,"style":2067},[2066],[1878,2528,2529,2532],{"style":2070},[1878,2530],{"className":2531,"style":2030},[2029],[1878,2533,2535],{"className":2534},[1968],[1878,2536,2538],{"className":2537},[1968],"3%",[1878,2540,2100],{"className":2541},[2099],[1878,2543,2545],{"className":2544},[2017],[1878,2546,2549],{"className":2547,"style":2548},[2021],"height:0.7416em;",[1878,2550],{},[1878,2552],{"className":2553},[2113,2005],[1878,2555],{"className":2556,"style":1983},[1982],[1878,2558,1914],{"className":2559},[1987],[1878,2561],{"className":2562,"style":1983},[1982],[1878,2564,2566,2570],{"className":2565},[1959],[1878,2567],{"className":2568,"style":2569},[1963],"height:0.6444em;",[1878,2571,2451],{"className":2572},[1968],[1799,2574,2575],{},"PED 小于 1，说明需求缺乏弹性。",[1799,2577,2578],{},"再看总收益：",[2128,2580,2581,2584],{},[1843,2582,2583],{},"涨价前：40 美元 × 1000 人 = 40,000 美元；",[1843,2585,2586],{},"涨价后：44 美元 × 970 人 = 42,680 美元。",[1799,2588,2589],{},"虽然流失了一些会员，但价格上涨带来的收入增加超过了会员流失的损失，所以总收益上升。注意，这不等于利润一定上升，因为还要看成本、口碑和长期流失率，但它说明了弹性如何影响收入判断。",[1831,2591],{},[1794,2593,2595],{"id":2594},"_35-其他类型的弹性-快速速览","3.5 其他类型的弹性 (快速速览)",[1799,2597,2598],{},"除了分析“自家价格”对“自家销量”的影响，经济学家还用弹性分析其他指标：",[1840,2600,2601,2625,2647],{},[1843,2602,2603,2606,2607,2610,2611],{},[1815,2604,2605],{},"需求的收入弹性 (Income Elasticity of Demand):","\n衡量你的",[1815,2608,2609],{},"工资","变动如何影响需求量。\n",[2128,2612,2613,2619],{},[1843,2614,2615,2618],{},[1815,2616,2617],{},"正数："," 正常品 (Normal goods) - 比如牛排、健身房年卡。",[1843,2620,2621,2624],{},[1815,2622,2623],{},"负数："," 劣等品 (Inferior goods) - 比如廉价的泡面、二手衣服。如果你加薪了，你会减少购买这些。",[1843,2626,2627,2630,2631,2634,2635],{},[1815,2628,2629],{},"交叉价格弹性 (Cross-Price Elasticity of Demand):","\n衡量",[1815,2632,2633],{},"竞争对手\u002F互补品","的价格变动对你的影响。\n",[2128,2636,2637,2642],{},[1843,2638,2639,2641],{},[1815,2640,2617],{}," 替代品 (Substitutes)。瑞幸咖啡涨价，库迪咖啡的销量就会涨。",[1843,2643,2644,2646],{},[1815,2645,2623],{}," 互补品 (Complements)。网球拍涨价了，网球的销量就会随之下降。",[1843,2648,2649,2630,2652,2655,2656,2659],{},[1815,2650,2651],{},"供给的价格弹性 (Price Elasticity of Supply, PES):",[1815,2653,2654],{},"工厂\u002F生产者","对价格的反应速度。这主要取决于",[1815,2657,2658],{},"生产的难易程度","。比如梵高真迹，哪怕价格飞上天，供给量也不能增加（完全无弹性）；而塑料梳子，只要价格稍微上涨一点，义乌的工厂马上能机器一响黄金万两，向市场涌入千万把梳子（富有弹性）。",[1831,2661],{},[1794,2663,2664],{"id":2664},"常见误区与考试陷阱",[1840,2666,2667,2673,2679,2685,2691],{},[1843,2668,2669,2672],{},[1815,2670,2671],{},"不用百分比，直接用价格差或数量差。"," 弹性比较的是百分比变化，不是绝对变化。",[1843,2674,2675,2678],{},[1815,2676,2677],{},"把斜率等同于弹性。"," 斜率受坐标单位影响，弹性是无单位的比例概念。",[1843,2680,2681,2684],{},[1815,2682,2683],{},"忘记总收益测试。"," 缺乏弹性时涨价会提高总收益；富有弹性时降价会提高总收益。",[1843,2686,2687,2690],{},[1815,2688,2689],{},"忽略时间。"," 短期缺乏弹性的商品，长期可能因为替代方案出现而变得更有弹性。",[1843,2692,2693,2696],{},[1815,2694,2695],{},"交叉价格弹性的正负号记反。"," 替代品为正，互补品为负。",[1831,2698],{},[1794,2700,2701],{"id":2701},"自测题",[1840,2703,2704,2715,2725,2735],{},[1843,2705,2706,2707],{},"价格上涨 5%，需求量下降 15%。需求是富有弹性还是缺乏弹性？\n",[2128,2708,2709],{},[1843,2710,2711,2714],{},[1815,2712,2713],{},"答案提示："," PED = 15% \u002F 5% = 3，大于 1，所以富有弹性。",[1843,2716,2717,2718],{},"如果需求缺乏弹性，涨价后总收益通常怎样变化？\n",[2128,2719,2720],{},[1843,2721,2722,2724],{},[1815,2723,2713],{}," 总收益上升，因为数量下降幅度小于价格上升幅度。",[1843,2726,2727,2728],{},"为什么食盐的需求通常缺乏弹性？\n",[2128,2729,2730],{},[1843,2731,2732,2734],{},[1815,2733,2713],{}," 它价格占收入比例小、用途基础、替代品少。",[1843,2736,2737,2738],{},"茶叶涨价后，咖啡销量上升。茶和咖啡的交叉价格弹性是什么符号？\n",[2128,2739,2740],{},[1843,2741,2742,2744],{},[1815,2743,2713],{}," 正号，因为它们是替代品。",[1831,2746],{},[2124,2748,2750],{"id":2749},"结语","📝 结语",[1799,2752,2753,2754,2757],{},"弹性理论是“定价策略”的祖师爷。一个优秀的管理者，在策划下一次“双十一”促销或者制定新品发布价格之前，必然要在心里盘算这笔账：我的核心受众对我将要调整的这几块钱，到底痛不痛？\n从下一章开始，我们将走出针对单一产品的微观视角，去看看当不同类型的企业聚集在一起时，会形成怎样的",[1815,2755,2756],{},"市场结构 (Market Structures)","——你是处在大家拼得你死我活的“完全竞争”中，还是处于可以为所欲为的“垄断”王座上？",{"title":10,"searchDepth":2759,"depth":2759,"links":2760},2,[2761,2762,2763,2767,2771,2777,2780,2781,2782],{"id":1796,"depth":2759,"text":1797},{"id":1835,"depth":2759,"text":1835},{"id":1862,"depth":2759,"text":1863,"children":2764},[2765],{"id":2126,"depth":2766,"text":2126},3,{"id":2175,"depth":2759,"text":2176,"children":2768},[2769,2770],{"id":2182,"depth":2766,"text":2183},{"id":2206,"depth":2766,"text":2207},{"id":2229,"depth":2759,"text":2230,"children":2772},[2773,2774,2775,2776],{"id":2236,"depth":2766,"text":2237},{"id":2254,"depth":2766,"text":2255},{"id":2272,"depth":2766,"text":2273},{"id":2290,"depth":2766,"text":2291},{"id":2310,"depth":2759,"text":2311,"children":2778},[2779],{"id":2397,"depth":2766,"text":2398},{"id":2594,"depth":2759,"text":2595},{"id":2664,"depth":2759,"text":2664},{"id":2701,"depth":2759,"text":2701,"children":2783},[2784],{"id":2749,"depth":2766,"text":2750},"衡量消费者和生产者对价格、收入和市场变化的敏感程度。","md",null,{},true,{"title":1382,"description":2785},"Jxb_KVPlnjTlOVxbKKWa3iIOhSbNt99784osTVlVLqU",[2793,2795],{"title":1378,"path":1379,"stem":1380,"description":2794,"children":-1},"用需求、供给、均衡和曲线移动解释市场价格与交易量。",{"title":1386,"path":1387,"stem":1388,"description":2796,"children":-1},"比较完全竞争、垄断、垄断竞争和寡头垄断的核心逻辑。",1785754748899]