ECON 331 Final Exam Spring 1998 (a) Name: Instructions: The exam is worth 60 marks. All ques-tions are equally weighted. You are to do all questions. Answer all questions in the exam booklets provided. Time allowed is 3 hours. Youmusthandintheexam with your booklets. 1. A competitive frim has the following production function, q =60 K +34 L − 4 KL − 6 K 2 − 3 L 2 .I fpi s the market price, w is the wage, and r is the rental rate of captital, then: (a) Write down the f rm’s pro f t function.(b) solve for the optimal K and L (c) Use the Hessian to check the second order con- ditions 2. A consumer with the following utility function u = xy 2 faces two constraints. The f rst is the normal budget constraint where he has $100 and the price of x and y are both $1. Also, the consumer has been issued 120 ration coupons by the government which he must use whenever he buys either x or y. It takes
This is the end of the preview. Sign up
access the rest of the document.