This paper pits expected utility theory and cumulative prospect theory against each other as regards their descriptive accuracy. Some older as well as newer pieces of evidence are described which show that under certain circumstances, expected utility theory is not descriptively valid. The most...

This paper summarizes the major events in the recent history of modelling human decisions under risk. After presenting the basics of expected utility theory, the key pieces of evidence are described which showed that under certain circumstances, this theory is not descriptively valid. The most...

The paper is concerned with pension reform in the Czech Republic and abroad. It argues against two opinions: on the one hand, that it is not necessary to do anything, and on the other hand, that a mandatory funded system should be implemented. Both approaches are false, because of creating...

The authors' approach to the ethical and political aspects of inter-temporal interactions is the following: 1) Two representative agents Ra and Râ are analyzed and asymmetries in their wealth and voting powers are dealt with by a the text-book tool of a welfare function - its intra and...

The book deals with theoretical concepts and ways of practical implementation of information sytems in companies. A successful information system project has to be based on the information strategy of the company. Taking the business strategy into consideration the information system value for...

This paper analyzes the tax penalty on volatile personal income under progressive tax rates. The phenomenon may have an effect on long-term entrepreneurial decisions as well as risky occupational choice. An options-based model is used to estimate the expected effective rate due from tax-payers...

This article is dealed about the requirements on new architecture of financial markets, namely for banking and insurance market. The principles of Basel II and Solvency II are discussed. The second part of article concerned with quality changes in comercial insurable risk and financial decesion...

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 dramatically growing disproportion between the value of corporate assets and market valuation has resulted in a well-researched schism between strategic management and financial theory. Options theory provides a potent tool to resolve this issue. We propose a model which is consistent with...

This paper considers various options replication methods. Firstly, a specific type of barrier option, an up-and-out call, is considered. Other barrier options are briefly also described, and various types of barriers are considered. Secondly, a general definition of replication methods is...