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Visiting Students


Hans Fricke

Hans ( is a PhD student in economics and finance at the University of St.Gallen under the supervision of Michael Lechner. His primary research fields are labor economics and the economics of education. His doctoral thesis analyzes determinants of student performance and major choices in higher education. Hans is spending one year as visiting researcher at the Stanford Graduate School of Education under the supervision of Eric Bettinger.


Anjali Adukia

Anjali Adukia is a doctoral student at Harvard University in the Graduate School of Education. Her primary fields of interest are development and labor economics, concentrating on issues related to increasing educational attainment for disadvantaged populations. Her current work focuses on understanding the role basic needs play in encouraging children to attend school.

Simone Balestra

Simone ( is a doctoral student in management and economics at the University of Zurich, Switzerland. His primary fields of interest are labor economics and economics of education. His current project focuses on the returns to academic education and vocational education across the wage distribution. Simone is spending three quarter terms as a visiting scholar at the Center for Education Policy Analysis at Stanford University, under the supervision of Eric Bettinger.

Valentina Goglio

Valentina ( is a doctoral student in Labour Studies at University of Milan (Italy). She spent two quarter terms as a visiting scholar at the Center for Education Policy Analysis at Stanford University, School of Education, under the supervision of Mitchell Stevens. Her dissertation project is about a longitudinal analysis of the changes occurred in the Italian higher education system in last three decades, from a neo-institutional and organizational perspective. She is working with Gabriele Ballarino and Luca Solari from University of Milan. Her background includes a master degree in International Relations and two years as research assistant at University of Turin, Department of Economics.

Roxanne Korthals ( is a PhD student at the Economics department and at the Research Centre for Education and the Labor Market (ROA) at Maastricht University, the Netherlands. Her research interests are education systems characteristics and its consequences for student performance and inequality. Currently she is focusing on cross country analyses of tracking in secondary education. Roxanne is working together with Eric Hanushek for five months at the Hoover Institution as a visiting scholar.

Michael F. Maier

Michael ( is a researcher at the Centre for European Economic Research in Mannheim, Germany. He is a Ph.D. student at the University of Freiburg, Germany. His research interests are the evaluation of active labor market programs for youth, economics of education, and labor economics. His current research projects are the role of mobility on returns to education, educational degrees and associated earnings risks, and the influence of risk preferences on wage growth. Michael is spending four month at the Center for Education Policy Analysis at Stanford University, under the supervision of Prof. Eric Bettinger.

Gudrun Vanlaar

Gudrun Vanlaar is a doctoral researcher investigating which educational practices are the most effective for high-risk students, i.e., students with a low socioeconomic or immigrant background, and students with special educational needs. She is interested in multilevel modelling and causal inference techniques. She is affiliated with the Centre for Educational Effectiveness and Evaluation at the University of Leuven, Belgium.

Mefharet ( is a Fulbright Scholar working with Deborah Stipek at the Center for Education Policy Analysis at Stanford University. Her primary interest is in early childhood education policies and how they relate to teacher motivation, the quality of education, and children’s outcomes. She is also a doctoral student at Hacettepe University in the School of Education in Ankara, Turkey.