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Working Paper
Interest rate rules, endogenous cycles, and chaotic dynamics in open economies
In this paper we present an extensive analysis of the consequences for global equilibrium determinacy of implementing active interest rate rules (i.e. monetary rules where the nominal interest rate responds more than proportionally to changes in inflation) in flexible-price open economies. We show that conditions under which these rules generate aggregate instability by inducing cyclical and chaotic equilibrium dynamics depend on particular characteristics of open economies such as the degree of (trade) openness and the degree of exchange rate pass-through implied by the presence of ...
Working Paper
Wealth Effects, Price Markups, and the Neo-Fisherian Hypothesis
By introducing Jaimovich-Rebelo (JR) consumption-labor nonseparable preferences into an otherwise standard New Keynesian model, we show that the occurrence of positive comovement between inflation and the nominal interest rate conditional on a nominal shock - the so-called neo-Fisherian hypothesis - depends on the extent of wealth effects in households’ labor supply decisions. Neo-Fisherianism appears more prominent in economic environments with i) weaker wealth effects on labor supply (in particular for Greenwood-Hercowitz-Huffmann preferences where wealth effects are absent), and ii) ...