|
German Development Institute (Germany)
117
|
Ecologic Institute (Germany)
109
|
National Bureau of Economic Research (United States)
79
|
|
Konrad Adenauer Foundation (Germany)
41
|
American Enterprise Institute (United States)
27
|
Center for Environmental Research (Germany)
25
|
|
Centre for Economic Policy Research (United Kingdom)
22
|
International Institute for Applied Systems Analysis (Austria)
20
|
Wuppertal Institute for Climate, Environment and Energy (Germany)
18
|
|
French Institute of International Relations (France)
12
|
Urban Institute (United States)
10
|
Mathematica Policy Research (United States)
9
|
|
Potsdam Institute for Climate Impact Research (Germany)
8
|
Center for Climate and Energy Solutions (United States)
7
|
International Institute for Environment and Development (United Kingdom)
7
|
|
Science Policy Research Unit (United Kingdom)
7
|
Brookings Institution (United States)
6
|
Centre for European Policy Studies (Belgium)
6
|
|
RAND Corporation (United States)
6
|
Overseas Development Institute (United Kingdom)
4
|
