A groundbreaking new Urban Institute study about the economics of the sex trade provides the most detailed look ever at how prostitution works in the United States. Some of the most interesting material in the 339-page report is about pimps — who they are, how they enter the industry, and how they conduct their business. A few highlights, in charts:

1) Pimping is often a family business

2) Pimps rely on social and neighborhood networks to recruit their workers

3) Pimps prefer cash but take other forms of payment

4) Running a sex business is costly