|
International Institute for Applied Systems Analysis (Austria)
22
|
International Institute for Sustainable Development (Canada)
4
|
National Bureau of Economic Research (United States)
4
|
|
RAND Corporation (United States)
3
|
Center for Development Research (Germany)
2
|
Overseas Development Institute (United Kingdom)
2
|
|
Sustainable Development Policy Institute (Pakistan)
2
|
American Enterprise Institute (United States)
1
|
Basque Centre for Climate Change (Spain)
1
|
|
Copenhagen Consensus Center (Denmark)
1
|
International Institute for Environment and Development (United Kingdom)
1
|
