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Leuven, E., Oosterbeek, H., Sonnemans, J. and van der Klaauw, B. (2011). Incentives versus sorting in tournaments: evidence from a field experiment Journal of Labor Economics, 29(3):637--658.
Francesco Lippi (2011). Optimal price setting with observation and menu costs Quarterly Journal of Economics.
Frank Windmeijer (2011). How important is pro-social behaviour in the delivery of public services? Journal of Public Economics.