This paper studies the consequences of a private or depletable externality on free trade agreements in a general equiilibrium framework. It is shown that there always exists a stable system of free trade spaces in the world economy. This stable system can result in either non-cooperation,...

We address the issue of optimal growth when standard-of-living aspirations are transmitted from one generation to the next. We derive the condition for the optimal solution to be stable in the saddle-point sense and show that this optimal solutionmay display damped oscillations even when the...