|
National Bureau of Economic Research (United States)
11
|
Environment for Development Initiative (Sweden)
10
|
Centre for Economic Policy Research (United Kingdom)
2
|
|
Fraser Institute (Canada)
2
|
Brookings Institution (United States)
1
|
Centro Euro-Mediterraneo sui Cambiamenti Climatici (Italy)
1
|
|
International Institute for Applied Systems Analysis (Austria)
1
|
Resources for the Future (United States)
1
|
