|
National Bureau of Economic Research (United States)
159
|
The Australia Institute (Australia)
154
|
Center for International Forestry Research (Indonesia)
70
|
|
Pembina Institute (Canada)
56
|
Brookings Institution (United States)
44
|
Centre for Economic Policy Research (United Kingdom)
35
|
|
Center for American Progress (United States)
27
|
RAND Corporation (United States)
20
|
American Enterprise Institute (United States)
12
|
|
Competitive Enterprise Institute (United States)
11
|
International Institute for Environment and Development (United Kingdom)
11
|
Overseas Development Institute (United Kingdom)
11
|
|
Resources for the Future (United States)
8
|
Atlantic Council (United States)
5
|
International Institute for Applied Systems Analysis (Austria)
4
|
|
Mathematica Policy Research (United States)
4
|
Urban Institute (United States)
4
|
Basque Centre for Climate Change (Spain)
3
|
|
Centre for International Governance Innovation (Canada)
3
|
Ecologic Institute (Germany)
3
|
