Estimation of volatility of financial time series plays a crucial role in pricing derivatives. Volatility is often estimated from historical data; however, it is well known that volatility varies in time. We propose a method to choose a suitable length of historical data to estimate contemporary...

Volatility of the financial time series belongs to the crucial estimated parameters in finance (e.g. in risk management, derivative pricing). It is well known, that volatility varies in time, so that new approaches of volatility modeling have appeared. In this paper two models of the conditional...

This study explores bank´s transformation in the Czech Republic from the point of view of their profit. It considers factors that influenced domestic banks and income structure of peer groups. Under conditions of equal competition, the peer groups showed different characteristics in terms of...

Efficient Market Hypothesis has dominated the field of research on capital market theory. It postulates that asset prices are rationally connected to economic realities and always incorporate all the information available to the market. A huge quantity of theoretical works around the world have...

The article is concerned with voting indicators in the European Union. The first chapter constructs a model of voting power and defines four indicators: A. Simple relative power, B. Shapley-Shubik index, C. Banzhaf index, D. Coleman index. The second chapter defines data: the voting structure...

The authors use a variance ratio test to test the weak form of market efficiency as regards capital markets in the Czech Republic, Slovakia, Hungary, Poland, and in the United States. Market efficiency was tested using weekly and monthly values of relevant market indices in a period from 1993...

This paper deals with the situation on the European labour market and especially on the Czech labour market. It shows the impact of long-term unemployment - a crucial problem in contemporary European countries - on the economy and on the society and its integrity. Great attention is paid to the...

The paper deals with one of the biggest problems currently faced by the Czech labour market: namely, a shortage of labour with regard to specialists who have completed tertiary education. The introduction stresses the importance of knowledge capital both in contemporary society and in a...

This paper deals with the situation on the Czech labour market in the period 1990-2006. It shows the status and development of the supply and demand sides of this market. Great attention is paid to the long-term trends in employment, self-employment, unemployment, and long-term unemployment. The...