The Economic Role of Cities

This necessarily creates a dynamic web of interdependencies over built space and time, mediated by socioeconomic exchanges.

In closing, it is interesting that for AP to grow (exponentially) in time (see chapter 9) we need exponential growth in per capita wages (labor productivity) and/or capital rents (capital productivity) as well as, in cities, some population growth. In this sense, uses of labor and of capital should really be seen as investments that require good in