In our article is shown that no matter how good is the organization of the enterprises in stock market, sooner or later some financial and organizational difficulties will appear. Hence, the idea of assigning the analytical form of the logistic law based on selected financial data, enabling the...

We define contagion in financial markets as a significant increase in cross-market linkages after a shock to one country (or group of countries). Contagion occurs if cross-market co-movement increases significantly after the shock.The main goal of this paper is to analyse changes in dependence...

In the theory of economy, goods are often split into necessity goods (necessities), which must be purchased for daily life, and luxury goods, which satisfy other needs such as those attributable to social status. Many researches deal with the problem of health-care services – some proved that...