Question
suppose that you have the standard Solow model with both labor augmenting productivity growth and population growth. The production function is Cobb-Douglas. The law of
suppose that you have the standard Solow model with both labor augmenting productivity growth and population growth. The production function is Cobb-Douglas. The law of motion of capital per efficiency unit of labor is given by
k = 1 [sAk +(1)k]. t+1 (1+z)(1+n) t t
(a) Suppose that the economy initially sits in the steady state. Suppose that at time t there is a surprise increase in z that is expected to last forever. Draw a graph of the law of
motion of capital and show how the change in z will impact the steady state capital stock per efficiency unit of labor.
- (b)Draw a graph of how the capital stock per efficiency unit of labor reacts over time to the increase in z.
- (c)Draw a graph of how consumption per efficiency unit of labor reacts over time to the increase in z.
- (d)Draw a graph of how output per efficiency unit of labor reacts over time to the increase in z.
- (e)Do you think households in the model are better or worse off with the new, higher
- growth rate of labor augmenting productivity z? How does your response relate to the new steady state values of capital, output, and consumption per efficiency unit of labor?
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