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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Consider the experiment described at the beginning of Section 7.4. Specifically, a Calvo economy is initially in long-run equilibrium with all prices equal to m, which we normalize to zero. In period 1, there is a one-time, permanent increase in m to m1.
Let us conjecture that the behavior of the price level for t ≥ 1 is described by an expression of the form pt = (1 −λt )m1.
(a) Explain why this conjecture is or is not reasonable.
(b) Find λ in terms of the primitive parameters of the model (α,β, and φ).
(c) How do increases in each of α,β, and φ affect λ? Explain your answers intuitively.
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