"It is so widely recognized that innovation is a key driver of economic growth that it is cliche to say so. This article studies product innovation by firms with data from 68 countries, covering more than 25,000 firms in eight manufacturing sectors. The author assesses the predictions of...

"A rapidly growing empirical literature is studying the causes and consequences of bank fragility in contemporary economies. The authors reviews the two basic methodologies adopted in cross-country empirical studies-the signals approach and the multivariate probability model-and their...

"Are natural resources a blessing or a curse? Bravo-Ortega and De Gregorio present a model in which natural resources have a positive effect on the level of income and a negative effect on its growth rate. The positive and permanent effect on income implies a welfare gain. There is a growth...