Macroeconomic effects of loss aversion in a signal extraction model

Giuseppe Ciccarone and Enrico Marchetti

No 148, Working Papers in Public Economics from Department of Economics and Law, Sapienza University of Roma

Abstract: We add some elements of prospect theory to an analytically tractable version of Lucas's "islands" model and show that the inclusion of reference dependence, declining sensitivity and loss aversion into the agents' utility function leads to three main results. First, the equilibrium labor supply and the natural level of outputare negatively affected by the presence of behavioral elements, whereas the cyclical response of output toa monetary shock remains unaltered. Second, the expected utility of a representative agent is generallylower than that obtained when loss aversion is absent. Third, the presence of loss aversion eliminates theparadoxical increase in expected utility that may be generated, in the standard model, by an increase inmonetary policy uncertainty.

Keywords: Prospect Theory; Behavioral economics; Signal extraction. (search for similar items in EconPapers)
JEL-codes: D81 E32 E52 (search for similar items in EconPapers)
Pages: 23
Date: 2011-10
New Economics Papers: this item is included in nep-cba, nep-evo, nep-mac and nep-upt
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Related works:
Working Paper: Macroeconomic effects of loss aversion in a signal extraction model (2012)
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