Rank | Institution | 1 | National Bureau of Economic Research (NBER), Cambridge, Massachusetts (USA) | 2 | Centre for Economic Policy Research (CEPR), London, United Kingdom | 3 | Institute for the Study of Labor (IZA), Bonn, Germany | 4 | DIW Berlin (Deutsches Institut für Wirtschaftsforschung), Berlin, Germany | 5 | Brookings Institution, Washington, District of Columbia (USA) | 6 | Resources for the Future (RFF), Washington, District of Columbia (USA) | 7 | Public Policy Institute of California (PPIC), San Francisco, California (USA) | 8 | ifo Institut für Wirtschaftsforschung e.V., München, Germany | 9 | Institutet för Näringslivsforsking (IUI), Stockholm, Sweden | 10 | Cato Institute, Washington, District of Columbia (USA) | 11 | Urban Institute, Washington, District of Columbia (USA) | 12 | C. D. Howe Institute, Toronto, Canada | 13 | W.E. Upjohn Institute for Employment Research, Kalamazoo, Michigan (USA) | 14 | Rheinisch-Westfälisches Institut für Wirtschaftsforschung (RWI), Essen, Germany | 15 | Centre for European Policy Studies (CEPS), Bruxelles/Brussel, Belgium |
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