In an AK endogenous growth setup with a time-to-build investment technology, the steadystate growth rate and the level of welfare are shown not to be independent ot the time distribution of the financing of an investment project. We emphasize that welfare effects in the AK model are of opposite...

In an endogenous growth model with human capital acumulation,I discuss the feasibility of a reduction in a marginal tax rate on labor and capital income, given a predeterminated path for government expenditures. A permanent tax cut is feasible if it can be compensated by an increase in the tax...

In an endogenous growth model with human capital accumulation, we discuss the possibility of welfare improving changes on the 1scal policy stance in some actual economies. First, we characterize the extent to which the initial fall in revenues produced by a permanent tax cut can be compensated...

Forward exchange rate unbiassedness is rejected for international exchange markets. This paper proposes a stochastic general equilibrium model which generates substantial variability in the magnitude of predictable excess returns. Simulation exercises suggest that high persistency in the...

This paper presents the state of art in optimal fiscal policy, focusing on the more promising research lines in this topic. In particular, we show the main results on how the government must implement optimal fiscal policy in different frameworks: from static to dynamic stochastic settings and,...

We show that in a simple growth model, where public consumption enters the utility function, and under constant returns to scale in production, the competitive equilibrium can be undetermined. Indeterminacy of equilibria arises for plausible values of the elasticity of intertemporal substitution...

Recently (April 2000), the New Market index began to be computed in the Spanish Stock Exchange as a relevant indicator of the new technological firms’ behavior in the Spanish economy. This paper provides empirical evidence about the relationships between the return and volatility of Spanish...