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 third version of the MAcMap-HS6 database, built as a result of a joint effort of CEPII (Centre d'Études Prospectives et d’Informations Internationales, Paris) and ITC (International Trade Centre, Geneva), based on ITC’s MAcMap raw data, proposes an exhaustive and consistent measure 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...