In this paper, we investigate the adequacy of scaling, a method frequently used in estimation of standard deviation of stock returns. Scaling is based on the assumption that standard deviation is proportional to the square root of the length of the time interval of the sample (for example daily,...

This paper examines features of the Czech stock market’s development from 1997 to 2003 and attempts to unveil the macroeconomic consequences of stock-price development. The analysis of the stock market’s behavior supports a cautionary stance on the hypothesis of the efficient-market theory,...

The efficiency of macroeconomic policies depends on adequate business cycle approximation. Given that potential output and the output gap (the difference between actual and potential output) are not directly observable, their values need to be estimated using alternative statistical, structural,...

This study is devoted to analysis of different aspects of world oil market development and its role in further growth of individual national economies, especially in connection with the ever intensifying globalization process. The study shows individual aspects and parts of the oil market, be it...

This article is oriented on the analyses of the development of the mergers and acquisition process. The author shows the main reason and motivations of expansion MA and its influence on the globalization of the world economy. This activity is (in the time and the territory) very different and...

The paper analyses the factors leading to the fall of long-term interest rates in the Czech Republic – respectively, the long-term interest rate differential in the Czech Republic and the Eurozone – between 1998 and 2003. The selection of factors is determined by the Fisher equation, UIP,...

Functional Signal plus Noise (FSN) time series models are introduced for the econometric analysis of the dynamics of a large cross-section of prices in which contemporaneous observations are functionally related. A semiparametric FSN model is developed in which a smooth, cubic spline signal...