We conduct a field experiment with sellers of home-improvement services on two German online markets. We take the role of consumers and vary whether we request an invoice for the delivery of the service. In a market which allows anyone to sell anonymously, a willingness to evade is prevalent. In...

Two facts have characterized the evolution of the informal sector in Brazil during the last two decades: the increase in the proportion of non-registered workers and the diminishing wage gap between non-registered and registered workers. In this paper, we briefly review the literature on...