This study provides a unied growth theory to correctly predictthe initially negative and subsequently positive relationship between child mortalityand net reproduction observed in industrialized countries over the courseof their demographic transitions. The model captures the intricate...

Recent theories of economic growth have stressed the role of externalities in generating growth. Using data from the Census Bureau that tracks all employers in the whole U.S. private sector economy, we examine the impact of these externalities, as measured by entrepreneurial activity, on...