In the last lecture two concepts were introduced: Pareto efficiency and general equilibrium. How do they relate? Theorem: The first welfare theorem states that every general equilibrium involves a Pareto efficient llocation

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Structure Present and future values Intertemporal budget constraint Preferences for intertemporal consumption Intertemporal choice Comparative statics Valuing securities

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北京大学：《微观经济学》课程教学资源（案例）Chapter 7.1（advertising）广告对我们意味着什么？