New York University - Stern School of Business, Berkley Center for Entrepreneurial Studies, Independent, Brookings Institution, Georgetown University - Robert Emmett McDonough School of Business, University of California, Los Angeles (UCLA) - Department of Economics, American Enterprise Institute, University of Virginia - Department of Economics, University of Pennsylvania - Wharton School, Massachusetts Institute of Technology (MIT) - Department of Economics, University of Virginia - School of Law, University of Oxford, Smith School, Massachusetts Institute of Technology (MIT) - Department of Economics, University of California, Berkeley - School of Law, Ewing Marion Kauffman Foundation, Yale School of Management (Deceased), Criterion Economics, L.L.C., University of California, Berkeley - Business & Public Policy Group and Northwestern University - Kellogg School of Management

University of California, Los Angeles (UCLA) - Department of Economics

New York University - Stern School of Business, Berkley Center for Entrepreneurial Studies, Independent, Brookings Institution, Georgetown University - Robert Emmett McDonough School of Business, University of California, Los Angeles (UCLA) - Department of Economics, American Enterprise Institute, University of Virginia - Department of Economics, New York University School of Law, University of Pennsylvania - Wharton School, Massachusetts Institute of Technology (MIT) - Department of Economics, University of Virginia - School of Law, University of Oxford, Smith School, Massachusetts Institute of Technology (MIT) - Department of Economics, Boston University - School of Law, University of California, Berkeley - School of Law, Ewing Marion Kauffman Foundation, Yale School of Management (Deceased), University of Chicago - Booth School of Business, Criterion Economics, L.L.C., University of California, Berkeley - Business & Public Policy Group and Northwestern University - Kellogg School of Management

University of California, Los Angeles (UCLA) - Department of Economics