"The authors determine how time delays affect international trade using newly collected World Bank data on the days it …-sensitive to time-insensitive agricultural goods by 6 percent. "--World Bank web site …

contrast, domestic regulatory impediments to competition are not robustly correlated with product innovation. "--World Bank web …

proxy for relative abundance of natural resources, which is based on standard growth theory. In turn, various econometric … might have large positive effects whose true magnitude remains unknown due to unresolved econometric issues. "--World Bank …

"The authors present a database of indicators of innovative activity around the world since the early 1960s. The data …) with respect to the level of development. "--World Bank web site …

, affect the transformation of research and development into patents. "--World Bank web site …