It is argued that the task of describing the optimal vector of commodity taxes is trivialized by the traditional assumption of a price-taking representative agent; that, in particular, the assumption of a representative agent ensures that the null vector is optimal. Copyright © 2007 The...

The Frankel, Romer and Lucas theories of endogenous growth rest on the assumptions of knowledge-based externalities and price-taking representative agents. It is argued that, in a context of long-run growth, these assumptions are mutually incompatible, that representative agents will cooperate...

This paper presents a dynamic general equilibrium model of multi-country, two-good and two-factor, in which both long-run growth and international trade patterns are examined. In each country, government expenditure on a public intermediate good plays a crucial role in the realization of...