homework3summer2006 - Economics 302 4 Week Summer Session...

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Economics 302 4 Week Summer Session 2006 Homework #3 Due Monday, June 12, 2006 5/30/06 Homework will be graded for content as well as neatness. Sloppy or illegible work will not receive full credit. This homework requires the use of Excel which is a spreadsheet program. For this homework please round to two places past the decimal. 1. (5 points) Suppose you are given the production function Y = F(K, L) = AK 1/4 L 3/4 Where Y is real GDP, K is capital, L is labor, and A is a parameter expressing the level of technology available in this economy. a. Suppose K and L are both tripled in this economy. Does this production function exhibit constant returns to scale? Provide a proof of your answer. b. Rewrite the above production function in terms of output per worker, y. That is, normalize the function so that it can be written as y = f(k) where k is capital per worker. Provide a verbal interpretation of your mathematical result. c. Using the expression you found in part (b) and assuming labor is equal to 16 units, fill in the following table. Recall that k, the capital to labor ratio (K/L), measures capital intensity: that is, it provides a measure of how much capital each unit of labor has to work with in the economy. Assume that A equals 1 in this problem. Hint: this might be a good time to pull out your Excel spreadsheet program. L K k = K/L y = Y/L Y MPk 16 0 16 20 16 40 16 60 16 80 d. Use your Excel spreadsheet program to graph k and y, placing k on the horizontal axis and y on the vertical axis. e.
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This note was uploaded on 08/08/2008 for the course ECON 302 taught by Professor Gold during the Spring '07 term at Wisconsin.

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homework3summer2006 - Economics 302 4 Week Summer Session...

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