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Creator: Adam, Klaus, Marcet, Albert, and Nicolini, Juan Pablo Series: Working paper (Federal Reserve Bank of Minneapolis. Research Department) Number: 720 Abstract:
Consumption-based asset pricing models with time-separable preferences can generate realistic amounts of stock price volatility if one allows for small deviations from rational expectations. We consider rational investors who entertain subjective prior beliefs about price behavior that are not equal but close to rational expectations. Optimal behavior then dictates that investors learn about price behavior from past price observations. We show that this imparts momentum and mean reversion into the equilibrium behavior of the price-dividend ratio, similar to what can be observed in the data. When estimating the model on U.S. stock price data using the method of simulated moments, we find that it can quantitatively account for the observed volatility of returns, the volatility and persistence of the price-dividend ratio, and the predictability of long-horizon returns. For reasonable degrees of risk aversion, the model generates up to one-half of the equity premium observed in the data. It also passes a formal statistical test for the overall goodness of fit, provided one excludes the equity premium from the set of moments to be matched.
Palabra clave: Asset pricing, Learning, Internal rationality, and Subjective beliefs Tema: G12 - Asset Pricing; Trading Volume; Bond Interest Rates and E44 - Financial Markets and the Macroeconomy
Creator: Macera, Manuel, Marcet, Albert, and Nicolini, Juan Pablo Series: Working paper (Federal Reserve Bank of Minneapolis. Research Department) Number: 760 Abstract:
Following the sovereign debt crisis of 2012, some southern European countries have debated proposals to leave the Euro. We evaluate this policy change in a standard monetary model with seigniorage financing of the deficit. The main novel feature is that we depart from rational expectations while maintaining full rationality of agents in a sense made very precise. Our first contribution is to show that small departures from rational expectations imply that inflation upon exit can be orders of magnitude higher than under rational expectations. Our second contribution is to provide a framework for policy analysis in models without rational expectations.
Palabra clave: Internal rationality, Inflation, and Seigniorage Tema: E52 - Monetary Policy, E63 - Comparative or Joint Analysis of Fiscal and Monetary Policy; Stabilization; Treasury Policy, and E41 - Demand for Money