This paper analyzes the persistency of the unequal exchange of labor (UE) in international trade. An intertemporal model of a world economy is defined with a leisure preference and no discount factor. Every incompletely specialized free trade equilibrium is characterized as having non-persistent...

As in Roemer (1982, chapter 1), this paper considers a simple international trade model and examines the existence and characterization of free trade equilibria involving the unequal exchange of labor (UE). The paper provides an almost complete characterization of the domain of economies in...