Many contemporary theoretic studies of trade over geography reduce to an ex- amination of constant-elasticity reactions to changes in iceberg trade costs. These impacts are readily analyzed in simple constant-returns models based on the Arm- ington (1969) assumption of regionally differentiated...

Alternative perspectives on the structure of international trade have important implications for the evaluation of climate policy. In this paper we assess climate policy in the context of three important alternative trade formulations. First is a Heckscher-Ohlin model based on trade in...