|
American Enterprise Institute (United States)
4793
|
Brookings Institution (United States)
3066
|
Atlantic Council (United States)
2040
|
|
Consultative Group on International Agricultural Research (United States)
1659
|
Centre for Economic Policy Research (United Kingdom)
1520
|
Competitive Enterprise Institute (United States)
1462
|
|
National Bureau of Economic Research (United States)
1261
|
Center for Strategic and International Studies (United States)
1250
|
Center for American Progress (United States)
879
|
|
Urban Institute (United States)
760
|
RAND Corporation (United States)
736
|
Chatham House (United Kingdom)
730
|
|
Fraser Institute (Canada)
686
|
Adam Smith Institute (United Kingdom)
663
|
International Institute for Applied Systems Analysis (Austria)
641
|
|
Overseas Development Institute (United Kingdom)
542
|
United Nations Environment Programme (Kenya)
536
|
Mathematica Policy Research (United States)
522
|
|
World Resources Institute (United States)
521
|
Sustainable Development Policy Institute (Pakistan)
509
|
