The accumulation of the human capital stock plays a key role to explain the economic performance across regions. However, empirical evidence for this claim has been not very convincing, probably due to low quality of the data. This paper provides a robustness analysis of alternative human...

The degree of comovement of economic activity across states or regions is an issue of utmost importance to policymakers. Asymmetric business cycles are often seen as an impediment to the formation of a common currency area. However, it has been argued that a common monetary policy in itself...