![Roelof Salomons on Twitter: "De jonge doctor @WouterJong Mag ik #backtothefuture naar #Fivelcollege eind 1980 en inzetten op deze foto? https://t.co/44e8vubZG8" / Twitter Roelof Salomons on Twitter: "De jonge doctor @WouterJong Mag ik #backtothefuture naar #Fivelcollege eind 1980 en inzetten op deze foto? https://t.co/44e8vubZG8" / Twitter](https://pbs.twimg.com/media/EMKhNfmXYAcP_ik.jpg:large)
Roelof Salomons on Twitter: "De jonge doctor @WouterJong Mag ik #backtothefuture naar #Fivelcollege eind 1980 en inzetten op deze foto? https://t.co/44e8vubZG8" / Twitter
![Roelof SALOMONS | PhD | University of Groningen, Groningen | RUG | Department of Economics, Econometrics and Finance | Research profile Roelof SALOMONS | PhD | University of Groningen, Groningen | RUG | Department of Economics, Econometrics and Finance | Research profile](https://i1.rgstatic.net/ii/profile.image/277838600130565-1443253292257_Q512/Roelof-Salomons-2.jpg)
Roelof SALOMONS | PhD | University of Groningen, Groningen | RUG | Department of Economics, Econometrics and Finance | Research profile
![Roelof Salomons on Twitter: "A tribute to Markowitz. 70 years since his seminal paper on efficient frontier, risk-return trade off and diversification via @FT https://t.co/h8OzRuslzv" / Twitter Roelof Salomons on Twitter: "A tribute to Markowitz. 70 years since his seminal paper on efficient frontier, risk-return trade off and diversification via @FT https://t.co/h8OzRuslzv" / Twitter](https://pbs.twimg.com/profile_images/1604730051081166848/QQ3MFwcG_200x200.jpg)