|
Bruegel (Belgium)
9
|
Brookings Institution (United States)
3
|
Konrad Adenauer Foundation (Germany)
2
|
|
Centre for Economic Policy Research (United Kingdom)
1
|
Centre for Energy Policy and Economics (Switzerland)
1
|
German Development Institute (Germany)
1
|
|
Wuppertal Institute for Climate, Environment and Energy (Germany)
1
|
