NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Human Capital Externalities in Cities

Enrico Moretti

NBER Working Paper No. 9641
Issued in April 2003
NBER Program(s):   CH   ED

What is the effect of an increase in the overall level of human capital on the economy of a city? Although much is known about the private return to education, much less is known about the more important question of what happens to productivity, wages and land prices when the aggregate stock of human capital in a city increases. Increases in the aggregate stock of human capital can benefit society in ways that are not fully reflected in the private return of education. Human capital spillovers can in theory increase aggregate productivity over and above the direct effect of human capital on individual productivity. Furthermore, increases in education can reduce criminal participation and improve voters' political behavior. In this paper, I review what we know about social returns to education, with a particular emphasis on those externalities that accrue to local geographic areas. The focus of the paper is on the empirical issues that arise in identifying these externalities and on the existing empirical evidence on their magnitude. This paper was prepared as a chapter for the forthcoming Handbook of Urban and Regional Economics.

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Document Object Identifier (DOI): 10.3386/w9641

Published: Moretti, Enrico, 2004. "Human capital externalities in cities," Handbook of Regional and Urban Economics, in: J. V. Henderson & J. F. Thisse (ed.), Handbook of Regional and Urban Economics, edition 1, volume 4, chapter 51, pages 2243-2291 Elsevier.

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