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We like to see you in the gym

Event details of Economics Colloquia: Kirsten Rohde (Erasmus University Rotterdam)
Date 27 May 2011
Time 12:00 -13:00
Location Roeterseilandcampus - building J/K

A field-experiment in a gym in the South of the Netherlands during the first two quarters of 2010 was done to analyze the members’ responses to two types of incentives to attend the gym. In december of 2009 members of the gym received a letter. They were randomly assigned to three treatments. Subjects in the control treatment did not receive any incentive and were only informed that there was a study going on and that fellow members might be selected to receive a discount. Subjects in the fixed discount treatment were told that they would receive a fixed amount of money (around 12.50 euro) for each of the first two quarters of 2010 that they were members of the gym. Subjects in the conditional discount treatment would only receive the discount if they attended the gym at least once per week in at least 11 of the 13 weeks per quarter. After the first quarter, subjects had a second chance to obtain a discount, which did not depend on their gym attendance in the first quarter of 2010. Results show that the conditional discount has a bigger impact on gym attendance than the fixed discount and the control treatment. The conditional discount indeed gives people an incentive to attend the gym more often. Moreover, this effect remains even half a year after the end of the experiment. (With Robert Dur and Willem Verbeke)

Roeterseilandcampus - building J/K

Valckenierstraat 65-67
1018 XE Amsterdam

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