Exporters’ performance in a particular market may affect their future exports to the rest of the world. Importers may base their future transaction decisions upon the information revealed by exporters’ past performance in other countries. Similarly, exporters acquire valuable information on...

Empirical studies of firms within industries consistently report substantial heterogeneity in measures of performance such as size and productivity. This paper explores the consequences of joint heterogeneity on the supply side (sellers) and the demand side (buyers) in international trade using...

This paper examines the interdependence between innovation and imports of intermediates, and their joint impact on productivity. We do so by developing a quantitative model with heterogeneous firms and international trade where firms can invest in R&D and source inputs internationally....

The negotiations on trade in services at the WTO have so far produced little liberalization beyond levels unilaterally undertaken by countries. One reason is the neglect of the traditional negotiating principle of reciprocity. In particular, there has been a failure to exploit the scope built...

As each new round of multilateral trade negotiations approaches, there is a demand for a negotiating rule that would give credit for autonomous liberalization. This Paper shows that the desirability and feasibility of such a rule depends on when it is instituted. A credit rule established at the...

In the case of natural monopolies there tends to be a trade-off between a higher quality of output provided by private firms, and a better access for poor consumers provided by public firms. This is partly the reflection of differences in objectives by private and public firms. The former tend...

The main objective of this paper is to provide estimates of the cost of moving out of subsistence for Madagascar's farmers. The analysis is based on a simple asset-return model of occupational choice. Estimates suggest that the entry (sunk) cost associated with moving out of subsistence can be...

This Paper assesses the foreign lobbying forces behind the tariff preferences that the United States grants to Latin American countries. The basic framework is one developed by Grossman and Helpman (1994) that is extended to explain the relationship between foreign lobbying and tariff...

This Paper provides a new approach to the evaluation of pre-shipment inspection (PSI) programs as ways of improving tariff-revenue collection and reducing fraud when customs administrations are corrupt. We build a model highlighting the contribution of surveillance firms to the generation of...

When trade costs are of the iceberg type (Samuelson 1952) and markups are independent of trade costs, relative prices across markets are distorted, but relative prices within markets are not. When trade costs depart from the analytically convenient iceberg type, distortion will also occur within...