|
Resources for the Future (United States)
50
|
Centre for Economic Policy Research (United Kingdom)
12
|
RAND Corporation (United States)
8
|
|
National Bureau of Economic Research (United States)
3
|
American Enterprise Institute (United States)
1
|
Centre for European Policy Studies (Belgium)
1
|
|
Centre for International Governance Innovation (Canada)
1
|
Chatham House (United Kingdom)
1
|
Copenhagen Consensus Center (Denmark)
1
|
|
Environment for Development Initiative (Sweden)
1
|
