中级微观经济学讲义课件.pptx

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;Chapter Two;Where are We in the Course?;Consumption Choice Sets;Budget Constraints;Budget Constraints;;;Budget Constraints;;;;Budget Sets Constraints; Income and Price Changes;;Budget Constraints - Income;Budget Constraints - Price;;Budget Constraints - Price;Uniform Ad Valorem Sales;Uniform Ad Valorem Sales;;The Food Stamp Program;;;The Food Stamp Program;;;Budget Constraints - Relative;Budget Constraints - Relative;Budget Constraints - Relative;Budget Constraints - Relative;Shapes of Budget Constraints;Shapes of Budget Constraints -;{;;;;;Shapes of Budget Constraints -;;;More General Choice Sets;;;;More General Choice Sets;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;x1;x1 =;;x1;x1;;x1;x1;x1;Examples of Corner Solutions - - the Non-Convex Preferences;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;Chapter Eight;What Are We Doing in this;Effects of a Price Change;Effects of a Price Change;;;The Idea behind the Slutsky;Pure Substitution Effect;;;;;;;;Question: What is the Contribution;Slutsky’s Effects for Normal;;;? Since both the substitution and income effects increase demand when own-price falls, a normal good’s ordinary demand curve slopes down. ? The Law of Downward-Sloping Demand therefore always applies to normal goods.;Slutsky’s Effects for Income-Inferior;;;;;;;Giffen Goods;Slutsky’s Effects for Giffen;Summary: The Key to This;Chapter Nine; What Are We Doing in this Chapter? ? We expand our basic consumer choice framework to include the possibility that consumers can sell something to generate income.;ω;ω ω ω = = ( , ) ( , ) 1 2 10 2;;;;;is;;;;?;{;;;;;The Morale of the Story:;with price. How does this y p =;p + ω ω;;;;;;;;;Slutsky’s Equation Revisited;一个经典例子;Chapter Ten;What Are We Doing in