"In a large cross-country sample of manufacturing establishments drawn from 188 cities, average exports per establishment are smaller for African firms than for businesses in other regions. The authors show that this is mainly because, on average, African firms face more adverse economic...

Places do well when they promote transformations along the dimensions of economic geography: higher densities as cities grow; shorter distances as workers and businesses migrate closer to density; and fewer divisions as nations lower their economic borders and enter world markets to take...

"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...