"The authors present a database of indicators of innovative activity around the world since the early 1960s. The data include measures of innovation outcomes as well as variables related to innovation effort. The main indicator of innovation outputs is patents. The main variables related to...

"Using a new global data base on patents and innovation inputs, the authors examine the process of knowledge creation measured by the dynamic relationship between research and development and U.S. patents granted. They confirm at the country level the recurrent micro-level finding of a strong...

"The United States imports around 25 percent of its merchandise under some form of preferential trade regime. The authors examine both the origins and consequences of U.S. trade preferences in the context of the gravity model of international trade. First, they provide estimates of the impact of...

"Calculations of marginal welfare effects suggest that agricultural development has had important positive effects on national welfare, especially in developing countries. Latin American and Caribbean countries have also benefited from agricultural growth, but nonagricultural production has had...

This paper explores the link between exports and total factor productivity (TFP) in Brazilian manufacturing firms over the period 2000–2008. The Brazilian experience is instructive as it is a case of an economy that expanded aggregate exports significantly, but with stagnant aggregate TFP...