We study how search and information frictions shape market dynamics in global e-commerce. Observational data and self-collected quality measures from AliExpress establish the existence of search and information frictions. A randomized experiment that offers new exporters exogenous demand and...

This paper provides a theory of quot;family network,quot; in contrast to quot;local externalities,quot; to explain the geographic concentration of industry. For many industries, one most important source of entrants is spinoffs, who typically locate near parent firms and benefit from knowledge...

There is significant academic evidence that growth in one country tends to have a positive impact on growth in neighboring countries. This paper contributes to this literature by assessing whether growth spillovers tend to vary significantly across world regions and by investigating the...

Global e-commerce platforms provide a promising avenue that connects sellers and buyers from different parts of the world. Exporting used to be an activity that was exclusive to large firms; today, e-commerce provides an opportunity for all types of firms, especially small firms, to export—the...

This publication, which is based on the unique methodology and tools developed for the World Bank Institute/Harvard School of Public Health Flagship Course on Health System Reform and Sustainable Financing, provides a powerful set of resources to help policy makers better navigate the...