| 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 (549) | CGIAR Consortium of International Agricultural Research * | MUL | |
| 6 (578) | International Monetary Fund | USA | |
| 7 (632) | Organisation for Economic Co-operation and Development | FRA | |
| 8 (689) | Qatar Foundation * | QAT | |
| 9 (760) | Fondazione Bruno Kessler | ITA | |
| 10 (772) | RAND Corp | USA | |
| 11 (795) | Academic Center for Education Culture and Research * | IRN | |
| 12 (801) | Chinese Research Academy of Environmental Sciences | CHN | |
| 12 (801) | International Food Policy Research Institute | MUL | |
| 14 (806) | Asociacion Civil de Estudios Superiores * | ARG | |
| 15 (840) | Chinese Academy for Environmental Planning | CHN | |
| 16 (859) | Tecnalia Research & Innovation | ESP | |
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