|
Agora Energiewende (Germany)
9
|
Hague Centre for Strategic Studies (Netherlands)
7
|
Wuppertal Institute for Climate, Environment and Energy (Germany)
6
|
|
Konrad Adenauer Foundation (Germany)
4
|
Brookings Institution (United States)
2
|
National Bureau of Economic Research (United States)
2
|
|
Centre for Energy Policy and Economics (Switzerland)
1
|
