"Human capital-based theories of cities suggest that large, economically diverse urban agglomerations increase worker productivity by increasing the rate at which individuals acquire skills. One largely unexplored implication of this theory is that workers in big cities should see faster growth...

In this chapter, Andrew Sharpe provides a comprehensive non-technical introduction to the productivity issue, including discussion of productivity concepts, measurement issues, trends and prospects. He begins by noting that productivity is the relationship between the output of goods and...