Stanford University - Department of Economics, New York University - Stern School of Business, Berkley Center for Entrepreneurial Studies, Columbia University - Law School, Stanford University - The Hoover Institution on War, Revolution and Peace, Brookings Institution, University of Maryland - Department of Economics, University of Chicago - Department of Economics, Technology Policy Institute, NERA Economic Consulting, Columbia University - Columbia Business School, Finance, National Economic Research Associates Inc. (NERA) (Deceased), Council on Foreign Relations (CFR) - Council on Foreign Relations- Washington D.C., Yale School of Management (Deceased), George Mason University - Center for Study of Public Choice, NERA Economic Consulting, Cato Institute, Stanford University - Department of Economics, University of Maryland - Department of Economics, Milken Institute, University of Chicago, Booth School of Business, University of Arizona - Eller College of Management, Princeton University - Department of Economics, University of Tennessee, Knoxville, University of Maryland, Massachusetts Institute of Technology (MIT) - Sloan School of Management, Brookings Institution, Arizona State University (ASU) - Economics Department, Chapman University - Economic Science Institute, Harvard University - Harvard Kennedy School (HKS), Vanderbilt University - Law School, New York University (NYU) - Leonard N. Stern School of Business, Department of EconomicsStern School of Business, New York University and Harvard University - Harvard Kennedy School (HKS)

Stanford University - Department of Economics, New York University - Stern School of Business, Berkley Center for Entrepreneurial Studies, University of Pennsylvania - Business & Public Policy Department, Council on Foreign Relations (CFR) - Council on Foreign Relations- Washington D.C., Columbia University - Law School, Stanford University - The Hoover Institution on War, Revolution and Peace, Princeton University, Woodrow Wilson School, Brookings Institution, University of Maryland - Department of Economics, American Enterprise Institute (AEI), Charles River Associates (CRA), Mendocino College, Canadian Investment Review - Rogers Media, affiliation not provided to SSRN, Technology Policy Institute, Alfred P. Sloan Foundation, National Economic Research Associates Inc. (NERA) (Deceased), Princeton University - Princeton School of Public and International Affairs, Carnegie Mellon University - David A. Tepper School of Business (Deceased), American Enterprise Institute (AEI), Yale School of Management (Deceased), University of Michigan, Stephen M. Ross School of Business, George Mason University - Center for Study of Public Choice, Cato Institute, Yale University - Department of Economics, University of Maryland - Department of Economics, Milken Institute, University of Chicago, Booth School of Business, University of Arizona - Eller College of Management, Brookings Institution, University of Tennessee, Knoxville, Massachusetts Institute of Technology (MIT) - Sloan School of Management, Brookings Institution, Arizona State University (ASU) - Economics Department, Massachusetts Institute of Technology (MIT) - Department of Economics, Harvard University - Harvard Kennedy School (HKS), Columbia University - Columbia Business School, Finance, Haas School of Business, UC Berkeley, Vanderbilt University - Law School, Washington University in St. Louis - Murray Weidenbaum Center on the Economy, Government, and Public Policy, University of California, Berkeley - Economic Analysis & Policy Group and Harvard University - Harvard Kennedy School (HKS)