The St Petersburg paradox could be used as an extreme demonstration of the utility function cardinalisation in case of stochastic utility. In this article we reassume the von Neumann and Mongernstern explanation to this paradox based on the risk aversion expressed by the strict concavity of the...

The theory 'corporate social responsibility' (CSR) is characterized in the paper. The paper expresses the authors' opinion, that CSR as a mere proclamation of necessity of the firms' ethic behavior does not enforce this into praxis. The internal economic motivation to CSR it is the necessary...

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...