Turner, Chad; Tamura, Robert and Mulholland, Sean (2008): How important are human capital, physical capital and total factor productivity for determining state economic growth in the United States: 1840-2000? Unpublished.
Turner, Chad; Tamura, Robert; Schoellman, Todd and Mulholland, Sean (2011): Estimating Physical Capital and Land for States and Sectors of the United States, 1850-2000. Unpublished.
