In this work, the size and character of poverty in Poland was studied based on a panel data from CHER (Consortium of Household Panels for European Socio-Economic Research) database for the years 1997 - 2000. The analyses have shown a low households’ dynamic of income in this period. The sum of...

The epsilon method has been applied to examine the strength of relations among selected objective and subjective factors connected with a manager’s predictions of their companies’ development. The aim of this research was to study which variable has the strongest impact on business...

This paper compares option pricing models, based on the Black model (Black, 1976), with particular emphasis on volatility measures and estimators applied in the process of valuation. We calculate the Black model with historical (BHV), implied (BIV) and several different types of realized (BRV)...