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

Working papers:
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?

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

Stress and the gender difference in willingness to compete (with Anna Dreber and Johanna Möllerström)
Does competition cause stress? Can gender differences in the stress reaction to competition explain gender differences in competitiveness?

Do right and left-handers differ in their social preferences? Press: De Groene Amsterdammer


The impact of positive and negative income changes on the height and weight of young children World Bank Economic Review forthcoming (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 forthcoming (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 careers? Press: Science, Washington PostLes Affaires

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 PaloozaSargasso