《微观经济学》课后习题答案高鸿业第四版

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1、《微观经济学》（高鸿业第四版）第二章1.已知某一时期内某商品的需求函数为Qd=50-5P，供给函数为Qs=-10+5p。（1）求均衡价格Pe和均衡数量Qe，并作出几何图形。（2）假定供给函数不变，由于消费者收入水平提高，使需求函数变为Qd=60-5P。求出相应的均衡价格Pe和均衡数量Qe，并作出几何图形。（3）假定需求函数不变，由于生产技术水平提高，使供给函数变为Qs=-5+5p。求出相应的均衡价格Pe和均衡数量Qe，并作出几何图形。（4）>利用（1）（2）（3），说明静态分析和比较静态分析的联系和区别。（5）利用（1）（2）（3），说明需

2、求变动和供给变动对均衡价格和均衡数量的影响.解答:(1)将需求函数Qd=50-5P和供给函数Qs=-10+5P代入均衡条件,有:50-5P=-10+5P得:Pe=6以均衡价格Pe=6代入需求函数Qd=50-5p,得:Qe=50-5*6=20或者,以均衡价格Pe=6代入供给函数Qs=-10+5P,得:personalcreditbusinessprocessmanagement,anddevelopmentofbusinessprocesses,cleartheloanobjectandscope,establishloanoperation

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