This paper examines the earnings penalties and premiums associated with different types of employment in 73 countries. Workers are divided into four categories: non-professional own-account workers, employers and own-account professionals, informal wage employees, and formal wage employees....

A key policy problem in most developing countries is the size of the informal sector and its persistence over time. In need to increase their tax revenues, policy makers face a trade-off between decreasing tax rates (making formalizing potentially more attractive) and alternatively raising tax...