作业帮大学中级微观经济学题目,出自CHAPTER 4 Utility
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大学中级微观经济学题目,出自CHAPTER 4 Utility
A consumer has a utility function of the form U(x; y) = xa +yb where both a and b are non-negative.What
additional restrictions on the values of the parameters a and b are imposed by
each of the following assumptions?
(a) Preferences are quasi-linear,convex,and x is a normal good.
(b) Preferences are homothetic.
(c) Preferences are homothetic and convex.
(d) Goods x and y are perfect substitutes.
A consumer has a utility function of the form U(x; y) = xa +yb where both a and b are non-negative.What
additional restrictions on the values of the parameters a and b are imposed by
each of the following assumptions?
(a) Preferences are quasi-linear,convex,and x is a normal good.
(b) Preferences are homothetic.
(c) Preferences are homothetic and convex.
(d) Goods x and y are perfect substitutes.
D
完全替代的两个商品的效用函数才表示成那个形式.
再问： =-=||这题不是选择题是解答题啊，是问a、b在这四种情况下的取值。。。。。。
再答： 对不起我不知道了。。 你们学的哪本书？？也许我可以帮你查一查
再问： 不用了，我弄明白了，是题目出了点错，还是谢谢哈
完全替代的两个商品的效用函数才表示成那个形式.
再问： =-=||这题不是选择题是解答题啊，是问a、b在这四种情况下的取值。。。。。。
再答： 对不起我不知道了。。 你们学的哪本书？？也许我可以帮你查一查
再问： 不用了，我弄明白了，是题目出了点错，还是谢谢哈