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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
The tradeoff between low average inflation and flexibility in response to shocks with delegation of control over monetary policy. (Rogoff, 1985.) Suppose that output is given by
 and that the social welfare function is γ y − aπ2/2, where γ is a random variable with mean γ and variance σ2γ . πe is determined before γ is observed; the policymaker, however, chooses π after γ is known. Suppose policy is made by someone whose objective function is cγ y − aπ2/2.
(a) What is the policymaker’s choice of π given πe, γ , and c?
(b) What is πe?
(c) What is the expected value of the true social welfare function, γ y − aπ2/2?
(d) What value of c maximizes expected social welfare? Interpret your result.
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