|
American Enterprise Institute (United States)
18837
|
Competitive Enterprise Institute (United States)
13829
|
Adam Smith Institute (United Kingdom)
10644
|
|
Brookings Institution (United States)
9784
|
Atlantic Council (United States)
8854
|
Earth Institute (United States)
4492
|
|
Peterson Institute for International Economics (United States)
3802
|
The Green Political Foundation (Germany)
2945
|
World Resources Institute (United States)
2692
|
|
Urban Institute (United States)
2496
|
Bruegel (Belgium)
2364
|
Overseas Development Institute (United Kingdom)
1808
|
|
Resources for the Future (United States)
1763
|
Fraser Institute (Canada)
1391
|
Pembina Institute (Canada)
1003
|
|
Carnegie Middle East Center (Lebanon)
869
|
International Institute for Environment and Development (United Kingdom)
833
|
International Institute for Strategic Studies (United Kingdom)
798
|
|
James A. Baker III Institute for Public Policy (United States)
795
|
Carnegie Endowment for International Peace (United States)
780
|
