Up to 35 percent of urban dwellers in third world cities are squatters. The characteristics of the squatting phenomenon are both varied and puzzling. Of particular interest are the observations that (1) landowners often do not collect rent from squatters for use of the land and (2) costly...

The introduction of symmetric information that allows for the costless classification of consumers according to risk type induces insurance companies to charge each consumer a risk class specific rate, thus creating premium risk. If firms are risk averse or face a costly-to-maintain solvency...