|
Centre for Economic Policy Research (United Kingdom)
123
|
Brookings Institution (United States)
75
|
American Enterprise Institute (United States)
59
|
|
Center for Strategic and International Studies (United States)
46
|
Carnegie Endowment for International Peace (United States)
35
|
Centre for International Governance Innovation (Canada)
20
|
|
Fraser Institute (Canada)
6
|
International Institute for Environment and Development (United Kingdom)
3
|
Competitive Enterprise Institute (United States)
2
|
|
German Development Institute (Germany)
2
|
Chatham House (United Kingdom)
1
|
Oxford Institute for Energy Studies (United Kingdom)
1
|
|
Resources for the Future (United States)
1
|
The Australia Institute (Australia)
1
|
