|
Konrad Adenauer Foundation (Germany)
18
|
Centre for European Policy Studies (Belgium)
7
|
Center for Environmental Research (Germany)
4
|
|
Wuppertal Institute for Climate, Environment and Energy (Germany)
3
|
American Enterprise Institute (United States)
2
|
International Institute for Applied Systems Analysis (Austria)
2
|
|
Centre for Economic Policy Research (United Kingdom)
1
|
German Development Institute (Germany)
1
|
Institute for Ecological Economy Research (Germany)
1
|
|
Mathematica Policy Research (United States)
1
|
National Bureau of Economic Research (United States)
1
|
Potsdam Institute for Climate Impact Research (Germany)
1
|
