“Productivity Growth in Construction”, (with Sam Rowe, James Mildenberger, Jennifer Price, and Arthur Young). Journal of Construction Engineering and Management, DOI: 10.1061/(ASCE)CO.1943-7862.0001138, 2016.
“Judging Factor Abundance”, (with Harry Bowen). Quarterly Journal of Economics, Vol. 106 (May 1992), 599-620.
The Impact of Research and Development on Productivity Growth, Bulletin 2331, U.S. Department of Labor, Bureau of Labor Statistics, U.S. Government Printing Office, Washington, D.C., September 1989.
“Urban Productivity: City Size or Industry Size?”, (with John Gowdy and Michael Funk). Journal of Regional Science, Vol. 28, May 1988, pp.185-202.
“Multicountry, Multifactor Tests of the Factor Abundance Theory”, (with Harry Bowen and Edward Leamer), American Economic Review, Vol. 77, December 1987, pp.791-809.
“Science and Technology in United States Foreign Trade”, Economic Journal, Vol. 93, September 1983, pp.542-555.
“Technological Inputs and Multifactor Productivity Growth", Review of Economics and Statistics, Vol. 63, May 1981, pp.275-282.
“The Productivity of Cities”, Quarterly Journal of Economics, Vol. 89, August 1975, pp.393-413.
“Bias in Cross-Section Estimates of the Elasticity of Substitution”, International Economic Review, Vol. 15, June 1974, pp.522-528.