The paper investigates the role of the minimum wage in a competitive economy in which there is underreporting of earnings by employed labour. The minimum wage induces higher compliance by some low- productivity workers and transforms a nominally neutral fiscal system into a regressive one. A...

This paper presents evidence from a field experiment, which aims to identify the two sources of workers’ pro-social motivation that have been considered in the literature: action-oriented altruism and output-oriented altruism. To this end we employ an experimental design that first measures...