Ramirez, D. y RODRIGUEZ, G.(2013). Have European Unemployment Rates Converged?. Zeszyty Naukowe. Volumen: 10. (pp. 135 - 156). Recuperado de: http://www.wses-zeszyty.pl/
Maertens, L. R. y RODRIGUEZ, G.(2013). Inflation Expectations Formation in the presence of Policy Shifts and Structural Change. Journal of Socio-Economics (Journal of Behavioral Economics). Volumen: 44. (pp. 59 - 67). Recuperado de: http://www.journals.elsevier.com/journal-of-socio-economics/