|
United Nations Environment Programme (Kenya)
6667
|
American Enterprise Institute (United States)
3556
|
Brookings Institution (United States)
3535
|
|
Competitive Enterprise Institute (United States)
2115
|
Atlantic Council (United States)
1782
|
Centre for Economic Policy Research (United Kingdom)
1397
|
|
Center for Strategic and International Studies (United States)
1301
|
National Bureau of Economic Research (United States)
1163
|
Center for American Progress (United States)
981
|
|
Urban Institute (United States)
848
|
RAND Corporation (United States)
758
|
Adam Smith Institute (United Kingdom)
718
|
|
Chatham House (United Kingdom)
718
|
Fraser Institute (Canada)
689
|
World Food Programme (Italy)
653
|
|
Overseas Development Institute (United Kingdom)
650
|
International Institute for Applied Systems Analysis (Austria)
649
|
Carnegie Endowment for International Peace (United States)
594
|
|
Mathematica Policy Research (United States)
559
|
International Institute for Environment and Development (United Kingdom)
518
|
