I am an associate professor of economics at the 
University of Amsterdam and a research fellow at the Tinbergen Institute. I am interested in empirical behavioural economics. In my work I use lab and field experiments as well as registry and survey data.

Working papers:

Is the gender gap in willingness to compete the same for high-ability and low-ability students? How does willingness to compete predict career choices at different ability levels? Press: Tages-AnzeigerBerner ZeitungDer BundWOZ

Does public observability of the choice to enter a competition exacerbate the gender difference in willingness to compete?

Gender and Redistribution: Experimental Evidence (with Louis Putterman and Joël van der Weele)
Can gender differences in overconfidence and risk preferences explain why women are more in favour of redistributive policies than men? Press: ESB

Handedness Predicts Social Preferences: Evidence Connecting the Lab to the Field
Do right and left-handers differ in their social preferences? Press: De Groene Amsterdammer


Do women give up competing more easily? Evidence from the lab and the Dutch Math Olympiad American Economic Journal: Applied Economics forthcoming (with Huaiping Yuan)
Does the willingness to compete of men and women react differently to winning and losing? Do gender differences in willingness to compete shrink or increase with experience?

Sexual orientation, competitiveness and income Journal of Economic Behavior & Organization 151. (2018). 191-198. (with Lydia Geijtenbeek and Erik Plug)
Older versions were titled Do Gays Shy Away from Competition? Do Lesbians Compete Too Much?
Can differences in willingness to compete explain why gays earn less than straight men and lesbians earn more than straight women? Press:
 The EconomistMarginal Revolution, IZA Newsroom

Responsiveness to feedback as a personal trait Journal of Risk and Uncertainty 56(2). (2018). 165–192. (with Leonie Gerhards and Joël van der Weele)
Is responsiveness to feedback a stable trait that can be measured at the individual level? Can it predict the choice of entering a competition?
Gender, competitiveness and study choices in high school: evidence from Switzerland American Economic Review: Papers & Proceedings 107(5). (2017). 125-130. (with Noemi Peter and Stefan Wolter)
Can gender differences in competitiveness explain gender differences in the choice of academic field? 

The impact of stress on tournament entry Experimental Economics 20(2). (2017). 506–530. (with Anna Dreber and Johanna Möllerström)
Do stress reactions to competing predict willingness to compete in a tournament? Is there a causal effect of stress on willingness to compete? 

The impact of positive and negative income changes on the height and weight of young children The World Bank Economic Review 31(3). (2017). 786–808. (with Hessel Oosterbeek, Erik Plug, Juan Ponce and José Rosero).
Does gaining or losing a government cash transfer affect the health of young children in poor families?

Do people become more or less challenge seeking after losing in a competition?

The Flipside of Comparative Payment Schemes Management Science 62(9). (2016). 2626-2638. (with Anna Dreber).
Do competitive payment schemes have a negative spillover effect on people's willingness to cooperate?

The effect of income on religiousness American Economic Journal: Applied Economics 7(3). (2015). 178-95.
Do exogenous shocks to household income affect religious denomination and church attendance? Press: Economista X

Gender, Competitiveness and Career Choices Quarterly Journal of Economics 129(3). (2014). 1409-1447. (with Muriel Niederle and Hessel Oosterbeek). Online appendix.
Can gender differences in competitiveness explain gender differences in the choice of academic field? Press: Science, Washington PostLes Affaires, Technology Org

Digit ratios, the menstrual cycle and social preferences Games and Economic Behavior 76(2). (2012). 457-470.
Are choices in social preference games influenced by current and prenatal differences in the exposure to sex hormones?

Multitasking Experimental Economics 15(4). (2012). 641-655. (with Noemi Peter) Winner of editors’ award for best paper in Experimental Economics in 2012 
Is switching between tasks good or bad for productivity? Do people optimally choose their degree of task switching? Press: Huffington PostESBChronicle of Higher Education, FAZClear ThinkingThe Straight Dope

The impact of the menstrual cycle and hormonal contraceptives on competitiveness Journal of Economic Behavior & Organization 83(1). (2012). 1-10.
Does willingness to compete against others vary over the menstrual cycle and with the intake of hormonal contraceptives? Press: SpiegelScience PaloozaSargassoStats and Curiosities: From Harvard Business Review, Vrij Nederland