We study a gift exchange game with 12 employees and one employer. When the employer can offer individually differentiated wages in a setting without collective action, we observe high levels of wages, effort choices, and total earnings. When the employer is restricted to offering a uniform wage,...

This paper presents the results of an experimental study on unemployment benefit sanctions. The experimental set-up allows us to distinguish between the effect of benefit sanctions once they are imposed (the ex post effect) and the threat of getting a benefit sanction imposed (the ex ante...