问题描述：
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.
问题解答：
我来补答展开全文阅读