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

Financial Economics, Non-linear Time Series in. - Terence C. Mills; Raphael N. Markellos (Encyclopedia of Complexity and Systems Science, 2009)

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

Keyword portfolio optimization in paid search advertising. - Efthymia Symitsi; Raphael N. Markellos; Murali K. Mantrala (Eur. J. Oper. Res., 2022)