Professor of Microeconomics
Associate Fellow of the Tinbergen Institute 
Research Interest
Industrial organization, behaviorial economics, social interactions, field experiments
Contact details
University of Groningen
Faculty of Economics & Business
P. O. Box 800
9700 AV Groningen
The Netherlands
T: + 31 (0)50 363 7663 (direct)
T: + 31 (0)50 363 7018 (secretary)

Vitae [pdf]  

Selected Publications

Do auctions and forced divestitures increase competition? Evidence for retail gasoline markets, 2014, Journal of Industrial Economics,62(3), 467-502, with Marco A. Haan and Pim Heijnen

Bidding to Give in the Field (2013), Journal of Public Economics, 104, 72-85, with Sander Onderstal and Arthur Schram.

Anonymity in Giving in a Natural Context – A Field Experiment in 30 Churches,” 2005,  Journal of Public Economics, 89(11-12), December, 2301-2323


Price competition on graphs, 2018, Journal of Economic Behavior & Organization, with Pim Heijnen

Recent Working Papers

Promises undone: How committed pledges impact donations to charity, 2018, Tinbergen Institute Discussion Paper no. 2018-044/VII, with Toke R. Fosgaard

The Impact of Short-Term Goals on Long-Term Objectives: Evidence from Running data, 2018, SOM Research Reports, no. 002, with Sargis Adikyan.

Tailored Feedback and Worker Green Behavior: Field Evidence from Bus Drivers, 2017, Tinbergen Institute Discussion Paper no. 2017-073/VII, with Gert-Jan Romensen

The Impact of Process Innovation on Prices: Evidence from Automated Fuel Retailing in The Netherlands , 2017, Tinbergen Institute Discussion Paper no. 2017-045/VII, with Tadas Bruzikas

Risk and Loss Aversion, Price Uncertainty and the Implications for Consumer Search, 2016, Tinbergen Institute Discussion Paper no. 2016-049/VII, with Tadas Bruzikas

(Non-)Insurance Markets, Loss Size Manipulation and Competition: Experimental Evidence, 2016, with Jeroen Hinloopen