Continuing concentration of retail chains with prevailing assortment of fast moving consumer goods is empirically visible tendency present in Europe, overall consolidation of chains on saturated markets in situation of reserved consumer optimism is inavoidable. Such circumstances enable changes...

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...