|
Center for International Forestry Research (Indonesia)
20
|
Center for International Development (United States)
7
|
American Enterprise Institute (United States)
6
|
|
Urban Institute (United States)
3
|
Mathematica Policy Research (United States)
2
|
Centre for International Governance Innovation (Canada)
1
|
|
International Institute for Sustainable Development (Canada)
1
|
National Bureau of Economic Research (United States)
1
|
RAND Corporation (United States)
1
|
|
The Green Political Foundation (Germany)
1
|
