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