This paper investigates the determinants of TFP for Italian regions. We find strong evidence in favour of the factors commonly suggested by the theoretical literature. In particular, R&D expenditures and the number of researchers are positively related to regional TFP. Moreover, human capital is...

Observers of Silicon Valley’s computer cluster report that employees move rapidly between competing firms, but evidence supporting this claim is scarce. Job-hopping is important in computer clusters because it facilitates the reallocation of talent and resources toward firms with superior...

From 1940 to 1990, a 10 percent increase in a metrpolitan area’s concentration of college-educated residents was associated with a .6 percent increase in subsequent employment growth. Using data on growth in wages and house values, I attempt to distinguish between explanations for this...