Handbook on the Theory and Practice of Program Evaluation (with N. Vonortas), Edward Elgar (forthcoming)
Public Investments in Energy Technology (with M. Gallaher and A. O'Connor). Edward Elgar, 2012.
Employment Growth from Public Support of Innovation in Small Firms (with J. Scott), W.E. Upjohn Institute for Employment Research, 2012.
Valuing the Entrepreneurial Enterprise (with D. Audretsch), Oxford University Press, 2012.
Public Goods, Public Gains: Calculating the Social Benefits of Public R&D (with J. Scott), Oxford University Press, 2011.
Government as Entrepreneur (with J. Link), Oxford, Oxford University Press, 2009.
A History of Entrepreneurship (with R. Hébert), London, Routledge, 2009 (paperback 2012).
“Employment Groth from Public Support of Innovation in Small Firms” (with J. Scott), Economics of Innovation and New Technology, forthcoming.
"Public Science and Public Innovation: Assessing the Relationship between Patenting at U.S. National Laboratories and the Bayh-Dole Act" (with D. Siegel and D. van Fleet), Research Policy, 2011, 40: 1094-1099.
"Government as Entrepreneur: Evaluating The Commercialization Success of SBIR Projects" (with J. Scott), Research Policy, 2010, 39: 589-601.
“Private Investor Participation and Commercialization Rates for Government-Sponsored Research and Development: Would a Prediction Market Improve the Performance of the SBIR Program?” (with J. Scott), Economica, April 2009, 76: 264-281.
“Public Knowledge, Private Knowledge: The Intellectual Capital of Entrepreneurs” (with C. Ruhm), Small Business Economics, forthcoming. Also published as NBER Working Paper 14797, March 2009.
“Bringing Science to Market: Commercializing from NIH SBIR Awards” (with C. Ruhm), Economics of Innovation and New Technology, 18: 381-402. Also published as NBER Working Paper 14057, June 2008.