Question

Consider an economy where two types of goods are produced: final goods, denoted Yt, and new ideas, denoted At

Consider an economy where two types of goods are produced: final goods, denoted Yt, and new ideas, denoted At. The total workforce is constant and denoted L, and a share, λ, of all workers are researchers, producing new ideas. All other workers are employed in production under the following linear technology:


Y= AtLY,


where Lis the number of workers employed in production of the final good. Production of new ideas is governed by


∆At+1 =ψAtLA,


where ψ is a productivity parameter and LA is the number of workers employed in research.


A. Solve for the growth rates of A and GDP per capita, y ≡ Y/L, in this model.


B. Solve for the level of output per capita as a function of the initial stock of knowledge, A0.


C. Suppose that λ = 0.08, ψ = 1/4000 and L = 1000. The initial stock of knowledge, A0, is 1000. Compute GDP per capita at the starting date, i.e. y0, as well as ten years on, i.e. y10.


Please provide an answer for A, B and C.

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Answer #1

Yeo Grod At denoted b犭 At LY(Aら、 ㄩ ThusNou, 거20: A20 (12)L Atti - o.og zo.02.20=. A20 C 20ワ 6 0 20

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