This paper searches for a general equilibrium model of optimal growth and endogenous fiscal policy with the aim of explaining the interaction between private agents and fiscal authorities in the U.S., West Germany, Japan and the U.K. over the period 1960-1996. Our search is conducted in the...

In this paper we use a model of vertical product differentiation to cast doubt on the general validity of the import demand function as specified in macroeconomic models. The empirical importance of our theoretical concerns is then examined with the aid of two hypotheses. According to the first...