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Autorregresive conditional volatility, skewness and kurtosis
(University of the Basque Country, Department of Foundations of Economic Analysis II, 2002)
This paper proposes a GARCH-type model allowing for time-varying volatility, skewness and kurtosis. The model is estimated assuming a Gram-Charlier series expansion of the normal density function for the error term, which ...
Should Fiscal Policy be different in a Non-Competitive Framework?
(University of the Basque Country, Department of Foundations of Economic Analysis II, 2002-07)
This paper studies if imperfections in the labor market justify a different fiscal policy. We present a dynamic general equilibrium model with a Ramsey planner deciding about public spending, labor taxes and debt. Two ...
Optimal Fiscal Policy with Rationing in the Labor Market
(University of the Basque Country, Department of Foundations of Economic Analysis II, 2002-07)
This paper characterizes the optimal fiscal policy when it is assumed that there exists a minimum wage below which no worker can be hired. The rigidity due to the minimum wage legislation can lead to equilibria in which ...
Switching Regimes in the Term Structure of Interest Rates During U.S. Post-War: A case for the Lucas proof equilibrium?
(University of the Basque Country, Department of Foundations of Economic Analysis II, 2002-08)
Farmer (1991) suggests that in a model in which there are multiple rational expectations (RE) equilibria agents may find it useful to coordinate their expectations in a unique RE equilibrium which is
immune to the Lucas ...
An empirical comparison of the performance of alternative option pricing models
(University of the Basque Country, Department of Foundations of Economic Analysis II, 2002)
This paper presents a comparison of alternative option pricing models based neither on jump-diffusion nor stochastic volatility data generating processes. We assume either a smooth volatility function of some previously ...
A factor model of seasonality in stock returns
(University of the Basque Country, Department of Foundations of Economic Analysis II, 2002)
Most empirical evidence on stock market seasonality is based on the Dummy Variable Approach (DVA). Typically, the DVA leaves too much variability of stock returns unexplained and inference usually leads to weak or null ...