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Author:Marcet, Albert 

Discussion Paper
Solving nonlinear rational expectations models by parameterized expectations: convergence to stationary solutions

This paper develops the Parameterized Expectations Approach (PEA) for solving nonlinear dynamic stochastic models with rational expectations. The method can be applied to a variety of models, including models with strong nonlinearities, sub-optimal equilibria, and many continuous state variables. In this approach, the conditional expectations in the equilibrium conditions are approximated by finite-dimensional classes of functional forms. The approach is highly efficient computationally because it incorporates endogenous oversampling and Monte-Carlo integration, and it does not impost a ...
Discussion Paper / Institute for Empirical Macroeconomics , Paper 91

Discussion Paper
Communication, commitment, and growth

We study the effect on the growth of an economy of alternative financing opportunities in a stochastic growth model with incentive constraints. Efficient accumulation mechanisms are designed and computed for economies that differ in their incentive structure. We show that when borrowing is subject to information constraints, there is a computable efficient transfer mechanism that does not affect capital accumulation and investment patterns, even though consumption patterns and the distribution of wealth are affected. In contrast, enforcement constraints can severely reduce the outside ...
Discussion Paper / Institute for Empirical Macroeconomics , Paper 74

Working Paper
Solving nonlinear rational expectations models by parameterized expectations: convergence to stationary solutions

Working Paper Series, Macroeconomic Issues , Paper 94-20

Working Paper
Money and prices in models of bounded rationality

In this paper the authors explore the ability of simple monetary models with bounded rationality to account for the joint distribution of money and prices. They impose restrictions on the size of the mistakes agents can make in equilibrium and argue that countries with high inflation are likely to satisfy these restrictions. Their computations show that the model with bounded rationality does neither improve nor deteriorate the ability of the model to match the data.
FRB Atlanta Working Paper , Paper 2003-15

Working Paper
Stock Market Volatility and Learning

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. ...
Working Papers , Paper 720

Working Paper
On the Risk of Leaving the Euro

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 ...
Working Papers , Paper 760


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