|
Competitive Enterprise Institute (United States)
25
|
Brookings Institution (United States)
5
|
Center for International Forestry Research (Indonesia)
5
|
|
RAND Corporation (United States)
3
|
Atlantic Council (United States)
2
|
American Enterprise Institute (United States)
1
|
|
Carnegie Endowment for International Peace (United States)
1
|
Center for American Progress (United States)
1
|
Centre for International Governance Innovation (Canada)
1
|
|
Fondazione Eni Enrico Mattei (Italy)
1
|
Institute for Energy Research (United States)
1
|
National Bureau of Economic Research (United States)
1
|
