|
International Institute for Applied Systems Analysis (Austria)
49
|
National Bureau of Economic Research (United States)
3
|
Centre for Economic Policy Research (United Kingdom)
2
|
|
Centro Euro-Mediterraneo sui Cambiamenti Climatici (Italy)
2
|
Energy Studies Institute (Singapore)
2
|
International Institute for Environment and Development (United Kingdom)
2
|
|
Center for Development Research (Germany)
1
|
Center for Education Policy Analysis (United States)
1
|
Overseas Development Institute (United Kingdom)
1
|
