Much of his research focuses on venture capital and private equity organizations. (This research is summarized in Boulevard of Broken Dreams, The Money of Invention, Patent Capital, and The Venture Capital Cycle.) He also examines policies on innovation and how they impact firm strategies. (That research is discussed in the books The Architecture of Innovation, The Comingled Code, and Innovation and Its Discontents.) He co-directs the National Bureau of Economic Research’s Productivity, Innovation, and Entrepreneurship Program and serves as co-editor of their publication, Innovation Policy and the Economy. He founded and runs the Private Capital Research Institute, a nonprofit devoted to encouraging access to data and research, and has been a frequent leader of and participant in the World Economic Forum projects and events.