A comparison of the scientific performance of the U.S. and the European Union at the turn of the XXI century
- Albarrán Pérez, Pedro
- Crespo Fernández, Juan A.
- Ortuño Ortín, Ignacio
- Ruiz-Castillo Ucelay, Javier
Journal:
Documentos de trabajo. Economic series ( Universidad Carlos III. Departamento de Economía )
Year of publication: 2009
Issue: 55
Type: Working paper