| 1 (104) | National Bureau of Economic Research | USA |  | |
| 2 (201) | Institut Zur Zukunft der Arbeit | DEU | | |
| 3 (322) | Centre for Economic Policy Research | GBR | | |
| 4 (406) | CESifo Group | DEU | | |
| 5 (578) | International Monetary Fund | USA | | |
| 6 (632) | Organisation for Economic Co-operation and Development | FRA | | |
| 7 (760) | Fondazione Bruno Kessler | ITA | | |
| 8 (772) | RAND Corp | USA | | |
| 9 (859) | Tecnalia Research & Innovation | ESP | |
