- Hoje não vamos falar sobre Política.
Why prostitutes earn more than architects
(...) an immutable law of labor: when there are a lot of people willing and able to do a job, that job generally doesn't pay well. This is one of four meaningful factors that determine a wage. The others are the specialized skills a job requires, the unpleasentness of a job, and the demand for services the job fulfills.
Steven D. Levitt & Stephen J. Dubner, Freakonomics, ed. Allen Lane 2005