In this chapter, we modeled growth in an economy by a growing population. We could also achieve

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In this chapter, we modeled growth in an economy by a growing population. We could also achieve a growing economy by having an endowment that increases over time. To see this, consider the following economy: Let the number of young people born in each period be constant at N. There is a constant stock of fiat money, M. Each young person born in period t is endowed with yunits of the consumption good when young and nothing when old. The person’s endowment grows over time so that yt = αyt-1 where α > 1. For simplicity, assume that in each period t, people desire to hold real money balances equal to one-half of their endowment, so that vtmt = yt/2.
a. Write down equations that represent the constraints on first- and second-period consumption for a typical person. Combine these constraints into a lifetime budget constraint.
b. Write down the condition that represents the clearing of the money market in an arbitrary period t. Use this condition to find the real rate of return of fiat money in a monetary equilibrium. Explain the path over time of the value of fiat money.

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Modeling Monetary Economies

ISBN: 978-1107145221

4th Edition

Authors: Bruce Champ, Scott Freeman, Joseph Haslag

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