International Institute for Applied Systems Analysis (Austria)
16
|
National Bureau of Economic Research (United States)
16
|
Centre for Economic Policy Research (United Kingdom)
10
|
RAND Corporation (United States)
7
|
Wuppertal Institute for Climate, Environment and Energy (Germany)
3
|
Brookings Institution (United States)
2
|
Centre for Energy Policy and Economics (Switzerland)
2
|
German Development Institute (Germany)
2
|
Center for Environmental Research (Germany)
1
|
Centro Euro-Mediterraneo sui Cambiamenti Climatici (Italy)
1
|
Potsdam Institute for Climate Impact Research (Germany)
1
|
Resources for the Future (United States)
1
|