For an Economy with a Cobb-Douglas Production Function in Which

Multiple Choice

For an economy with a Cobb-Douglas production function in which labor receives 70% of national income and capital receives 30%,a 10% increase in total hours worked,holding all else constant

A) increases the marginal product of labor by 3%
B) increases the marginal product of capital by 7%
C) increases total factor productivity by 5%
D) increases the share of national income paid to labor 10%
E) increases output by 10%