|
National Bureau of Economic Research (United States)
1024
|
RAND Corporation (United States)
545
|
Brookings Institution (United States)
494
|
|
Konrad Adenauer Foundation (Germany)
281
|
Overseas Development Institute (United Kingdom)
213
|
Center for Strategic and International Studies (United States)
206
|
|
Institute of Energy Economics, Japan (Japan)
206
|
Urban Institute (United States)
192
|
Korea Development Institute (Republic of Korea)
142
|
|
American Enterprise Institute (United States)
141
|
International Institute for Environment and Development (United Kingdom)
140
|
Institute for Global Environmental Strategies (Japan)
131
|
|
Center for American Progress (United States)
109
|
World Food Programme (Italy)
107
|
Korea Evironment Institute (Republic of Korea)
90
|
|
Fraser Institute (Canada)
76
|
Atlantic Council (United States)
75
|
Wuppertal Institute for Climate, Environment and Energy (Germany)
62
|
|
Ecologic Institute (Germany)
57
|
Sustainable Development Policy Institute (Pakistan)
46
|
