International trade is primarily conducted by large, multiproduct firms (MPFs) that pay above average wages and exhibit high productivity. In this paper we show that if firms can invest in management technologies for identifying worker skill then they will enjoy a form of market power in the...

Historically, tariffs have been an attractive policy tool to protect domestic industries. The benefits of such a policy are based on theoretical models that assume foreign manufacturers sell directly to consumers. However, recent empirical evidence suggests that wholesalers and retailers play an...

The relationship between market integration and the degree of specialization plays a key role in many areas of economics. In contrast to previous studies, we illustrate that globalization does not necessarily lead to specialization. The analysis is conducted in an extended Dixit-Stiglitz- Ethier...

The retail sectors in many industrialized countries have experienced a large increase in concentration and the appearance of so-called \retail deserts\, areas of low retail provision. This study addresses the role of international trade in this process. The analysis shows that by raising product...

This study analyzes the impact of international trade on the diffusion of flexible manufacturing in a general equilibrium framework. Suppliers produce a flexible base product that can be adapted to the specific input requirements of a continuum of downstream industries. The vertical structure is...

We show that the labor market effects of product line relocations within multi-product firms differ significantly from the relocation of production tasks within single-product firms. By incorporating offshoring of labor-intensive goods in a model with multi-product firms, and exploring its...