(Solution) - This problem requires the use of calculus Consider a Cobb Douglas -(2025 Original AI-Free Solution)

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(This problem requires the use of calculus.) Consider a Cobb?Douglas production function with three inputs. K is capital (the number of machines), L is labour (the number of workers), and H is human capital (the number of college degrees among the workers). The production function is
Y = K1/3 L1/3 H1/3
a. Derive an expression for the marginal product of labour. How does an increase in the amount of human capital affect the marginal product of labour?
b. Derive an expression for the marginal product of human capital. How does an increase in the amount of human capital affect the marginal product of human capital?
c. What is the income share paid to labour? What is the income share paid to human capital? In the national income accounts of this economy, what share of total income do you think workers would appear to receive?
d. An unskilled worker earns the marginal product of labour, whereas a skilled worker earns the marginal product of labour plus the marginal product of human capital. Using your answers to (a) and (b), ?nd the ratio of the skilled wage to the unskilled wage. How does an increase in the amount of human capital affect this ratio? Explain.
e. Some people advocate government funding of college scholarships as a way of creating a more egalitarian society. Others argue that scholarships help only those who are able to go to college. Do your answers to the pre-ceding questions shed light on this debate?