Three original microeconomic models of an externality market are described: (1) model of the marketable permits for exhalations emission, (2) model of optimal financial satisfaction of a damage caused by a negative externality in the economy with agents maximizing probability of their survival...

This paper discusses recent claims made by Caplan (2000, 2001a, 2001b, 2001c, 2002, 2007) who argues that democracies produce bad policies as a result of voters' irrational beliefs. We start by outlining the motives which led Caplan to amend classic Public Choice in such a radical fashion. We...