This paper introduces new estimates of physical capital and land for the states of the United States covering up to 150 years, from 1850{2000. The estimates of physical capital are decomposed into estimates for agriculture, manufacturing, and a residual sector, while the estimates of land are...

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."