We review and extend the empirical literature that seeks evidence of a wedge between the
private and social returns to human capital, specifically education. This literature has two …

Abstract From 1940 to 1990, a 10% increase in a metropolitan area's concentration of
college-educated residents was associated with a 0.8% increase in subsequent …

What are the economic consequences to US natives of the growing diversity of American
cities? Is their productivity or utility affected by cultural diversity as measured by diversity of …

Page 1 The Mystery of Economic Growth ELHANAN HELPMAN Page 2 Page 3 Page 4 AR
MORE than an intellectual puzzle for pundits, economists, and policymakers, economic …

Abstract 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 …

The identification of aggregate human-capital externalities is still not fully understood. The
existing (Mincerian) approach confounds positive externalities with wage changes due to a …

Governments have provided longstanding support for higher education in the United States
and elsewhere. The original justification for such support was that higher education, like …

“Smart” regions with skilled workforces display higher rates of growth in population and
income—and greater Boston is exhibit 1a for this finding. This is good news for Bostonians …

A partir de una revisión de la literatura sobre las economías de aglomeración se resaltan los
aportes de diversos trabajos teóricos y empíricos, en particular, los que se relacionan con …

This paper focuses on the bi-directional interaction between technology adoption and labor
market conditions. We examine cross-city differences in PC-adoption, relative wages, and …