"Technological Change in the Production of New Scientific Knowledge: A Second Look", with Albert N. Link, Economics of Innovation and New Technology, Vol. 30, No. 4 (2021), pp. 371-381.
"Scientific Publications at U.S. Federal Research Laboratories", with Albert N. Link, Scientometrics, Vol. 126, Issue 3 (March 2021), pp. 2227-2248.
"Invention Disclosures and the Slowdown of Scientific Knowledge", with Albert N. Link, Science and Public Policy, Oxford University Press, Vol. 47, No. 6 (December 2020), pp. 829-833.
"Propensity to Patent and Firm Size for Small R&D-Intensive Firms", with Albert N. Link, Review of Industrial Organization, Vol. 52, No. 4 (June 2018), pp. 561-587.
"Commercial Complexity and Entrepreneurial Finance", with Troy J. Scott and Albert N. Link, Economics of Innovation and New Technology, Vol. 26, No. 5 (2017), pp. 489-500.
"The Entrepreneur's Idea and Outside Finance: Theory and Evidence about Entrepreneurial Roles," with Troy J. Scott, European Economic Review, Vol. 86 (July 2016), pp. 118-130.
"Standards and Innovation: US Public/Private Partnerships to Support Technology-based Economic Growth", with Troy J. Scott, Economics of Innovation and New Technology, Vol. 24, No. 5 (July 2015), pp. 457-489.
"Innovation Rivalry: Theory and Empirics", with Troy J. Scott, Economia e Politica Industriale-Journal of Industrial and Business Economics, Vol. 41, No. 1 (March 2014), pp. 25-53.
"Creativity for Invention Insights: Corporate Strategies and Opportunities for Public Entrepreneurship", Economia e Politica Industriale-Journal of Industrial and Business Economics, Vol. 43, No. 4 (December 2016), pp. 409-448.
"Public R&D Subsidies, Outside Private Support, and Employment Growth", with Albert N. Link, Economics of Innovation and New Technology, Vol. 22, No. 6 (2013), pp. 537-550.
Employment Growth from Public Support of Innovation in Small Firms, with Albert N. Link (W. E. Upjohn Institute for Employment Research, 2012).
Public Goods, Public Gains: Calculating the Social Benefits of Public R&D, with Albert N. Link (Oxford University Press, 2011).
"Government as Entrepreneur: Evaluating the Commercialization Success of SBIR Projects", with Albert N. Link, Research Policy, Vol. 39, No. 5 (June 2010), pp. 589-601.
"Competition in Research and Development: A Theory for Contradictory Predictions", Review of Industrial Organization, Vol. 34, No. 2 (March 2009), pp. 153-171.
"Private Investor Participation and Commercialization Rates for Government-sponsored Research and Development: Would a Prediction Market Improve the Performance of the SBIR Programme?", with Albert N. Link, Economica, Vol. 76, No. 302 (April 2009), pp. 264-281.
"The National Cooperative Research and Production Act," and "Multimarket Contact", in Issues in Competition Law and Policy, Vol. II, Wayne D. Collins, ed. (American Bar Association, 2008), pp. 1297-1317, 1553-1573.
"Universities as Research Partners", with Bronwyn H. Hall and Albert N. Link, Review of Economics and Statistics, Vol. 85, No. 2 (May 2003), pp. 485-491.
Purposive Diversification and Economic Performance (Cambridge University Press, 1993 and 2005).
Market Structure and Technological Change, with William L. Baldwin (Harwood Academic Publishers, 1987; Routledge, 2001; Taylor & Francis eBooks, 2013; paper, Routledge, Taylor & Francis Group, 2014).
"Beyond Firm and Industry Effects on Profitability in Imperfect Markets", with George Pascoe, Review of Economics and Statistics, Vol. 68, No. 2 (May 1986), pp. 284-292.
"Firm Versus Industry Variability in R&D Intensity", in R&D, Patents, and Productivity, ed. Zvi Griliches, chapter 10, pp. 233-245 (Chicago: University of Chicago Press for the National Bureau of Economic Research, 1984).
"Multimarket Contact and Economic Performance", Review of Economics and Statistics, Vol. 64, No. 3 (August 1982), pp. 368-375.
"Scale Economies in Research and Development: the Schumpeterian Hypothesis", with Meir G. Kohn, Journal of Industrial Economics, Vol. 30, No. 3 (March 1982), pp. 239-249.