|
American Enterprise Institute (United States)
21
|
National Bureau of Economic Research (United States)
20
|
RAND Corporation (United States)
11
|
|
Mathematica Policy Research (United States)
6
|
Atlantic Council (United States)
4
|
Basque Centre for Climate Change (Spain)
4
|
|
Center for Development Research (Germany)
4
|
Research Institute of Innovative Technology for the Earth (Japan)
3
|
Brookings Institution (United States)
2
|
|
Center for International Forestry Research (Indonesia)
2
|
Centre for Economic Policy Research (United Kingdom)
1
|
Centro Euro-Mediterraneo sui Cambiamenti Climatici (Italy)
1
|
|
Danish Institute for International Studies (Denmark)
1
|
International Institute for Applied Systems Analysis (Austria)
1
|
Resources for the Future (United States)
1
|
|
Stockholm Environment Institute (Sweden)
1
|
