He studies applied microeconomics and industrial organization, with a specific focus on defense and terrorism, and has published several papers on the optimal structure of defense industries. In addition to teaching, he is a Senior Economist at Compass Lexecon, a consulting firm that provides economic and financial analysis of legal and business issues to law firms, corporations and government agencies. At Compass Lexecon, he collaborates with lawyers and economists to prepare economic expert reports for antitrust, labor, and securities cases and has worked extensively on cases related to the tobacco, health insurance, private equity and technology industries.