Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Transcribed Image Text:2. Consider the Romer model:
Y = ALyt
AA++1 = ZA,Lat
Lat + Lyt = L
Lat = IL
a) Assume that A, = 1, ī = 0.02, z = 0.0001, L = 10,000. Find the growth rate of knowledge in
and the growth rate of output per person.
the economy
b) Compare two economies: one with parameter values as in a) and the other one with the same
parameter values except for the initial set of knowledge A, = 5. Briefly explain what will be the
differences in the growth rates of knowledge and output per worker? Show the paths for output
per worker on a graph.
c) The government believes that the growth rate of output per worker is low and thinks about
measures that would increase it. There are two options: (i) doubling the share of workers employed
in the research sector, and (ii) increasing the population size by one third. The government can
choose only one option. Which option would you recommend and why? Use a graph in your
answer.
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