题目内容

A production function with constant returns to scale for capital alone implies that

A. there are increasing returns to scale for all factors of production taken together
B. if all inputs are doubled then output will more than double
C. smaller firms are more efficient than larger firms
D. technological advances cannot take place
E. both A) and B)

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If we have an aggregate production function of the form Y = aK, at what capital-labor ratio can a steady-state equilibrium be reached?

A. k = sa - (n + d)
B. k = sa + (n - d)
C. k = sa/(n + d)
D. k = ay/(n + d)
E. never

Assume we have a simple endogenous growth model where technology is labor augmenting, that is, Y = F(K,AN), and also proportional to the capital-labor ratio, such that y = ak. In this case, the growth rate of GDP per capita can be expressed by

A. sa + (n + d)
B. sa - (n + d)
C. sa - (n + d)k
D. sa + (n - d)k
E. sk - (n + d)a

Assume an endogenous growth model with labor augmenting technology. The production function is Y = F(K,AN) with A = 2(K/N), so y = 2k. If the savings rate is s = 0.05 and there is neither population growth nor depreciation of capital, what is the growth rate of output?

A. 0.025
B. 0.05
C. 0.1
D. it cannot be determined

Assume an endogenous growth model with labor augmenting technology. The production function is Y = F(K,AN), with A = 2(K/N) such that y = 2k. If the savings rate is s = 0.08, the rate of population growth is n = 0.03, and the rate of depreciation is d = 0.04, what is the growth rate of output per capita?

A. 0.01
B. 0.03
C. 0.04
D. 0.07
E. 0.09