The authors study international trade between the North and the South where the industrial sector produces goods of different quality. The North exports high-quality products, the South low-quality products. Faster population growth in the South changes the spectrum of products exported by every...

Exchange-rate management is possible only if the government pursues consistent monetary and fiscal policies. The authors constructa model in which the real consequences of exchange-rate management depend on the precise time pattern of these policies. The authors study the constraints on feasible...

The authors develop a multicountry, dynamic general equilibrium model of product innovation and international trade to study the creation of comparative advantage through R$50D and the evolution of world trade over time. In their model, firms must incur resource costs to introduce new products,...

We develop a novel model of campaigns, elections, and policymaking in which the ex ante objectives of national party leaders differ from the ex post objectives of elected legislators. This generates a distinction between "policy rhetoric" and "policy reality" and introduces an important role for...

In this paper we study how aggregate output responds to the arrival of a new General Purpose Technology (GPT) by looking at adjustment mechanisms that operate through labour markets. We show that under a wide set of circumstances the arrival of a new GPT that raises long-run output can trigger a...

We study budget formation in a model featuring separation of powers. In our model, the legislature designs a budget bill that can include a cap on total spending and earmarked allocations to designated public projects. Each project provides random benefits to one of many interest groups. The...