Modeling Greek equity prices using jump diffusion processes. - George Dotsis; Dimitris Psychoyios; Raphael N. Markellos (Oper. Res., 2006)

Sovereign debt markets in light of the shadow economy. - Raphael N. Markellos; Dimitris Psychoyios; Friedrich Schneider (Eur. J. Oper. Res., 2016)