This paper documents the existence of a negative cross-sectional correlation between the price of living space and fertility using U.S. Census data over the period 1940-2000. This correlation is not spurious, nor does it reflect the tendency of larger families to locate within less-expensive...

We present new data on real output per worker, schooling per worker, human capital per worker, real physical capital per worker for 168 countries. The output data represent all available data from Maddison. The physical capital data represent all available data from Mitchell. One major...

This extended data appendix describes the sources and methods used to construct the data used in our paper "Economic Growth in the Long Run."