 Complete the following phrase:  Bastiaan Quast graduated from University of Groningen with a bachelors degree in Economics and bachelors degree in Theoretical philosophy. He holds a masters degree in Econometrics from the University of St. Gallen He obtained his Ph.D from Graduate Institute with advisors Richard Baldwin and Jean-Louis Arcand, his work on local languages and internet usage was discussed at the 2017 G20 