Paying with Plastic: The Digital Revolution in Buying and Borrowing, 2nd Ed. (with D.S. Evans), Cambridge: MIT Press, 2005.
Invisible Engines: How Software Platforms Drive Innovation and Create Value (with D.S. Evans and A. Hagiu), Cambridge: MIT Press, 2006.
Catalyst Code: The Strategies Behind the World’s Most Dynamic Companies (with D.S. Evans), Boston: Harvard Business School Press, 2007.
Harnessing Renewable Energy in Electric Power Systems (ed., with B. Moselle and J. Padilla), Washington/London: RFF Press, 2010
The Future of the Electric Grid (with J. Kassakian and others), Cambridge: MIT Energy Initiative, 2011.
The Causes and Effects of Deregulation (2 Vols., ed., with P.W. MacAvoy), Cheltenham, UK: Edward Elgar, 2014.