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The first part of the paper is devoted to the problems of the households purchase behavior in the Czech Republic. The main part is based on own empirical results from own marketing research conducted in 2005-2006. The results concerns on influences of food-stuffs purchases, clothes and shoes purchases, household equipments purchases and differences among them.
In the second part is presented increasing number of shopping - amusing centres in the Czech Republic. These trends are changing purchase behavior our consumers. In Spring 2006 was conducted own marketing research of visitors shopping - amusing centre Olympia in Brno Modřice. Some more detail results give their basic sociodemographic characteristics as well as shopping orientations. The purchase in the shopping - amusing centres is a part of the contemporary life style, leisure and amusement.

The response of tubers of nine varieties of potatoes to the bar impact have been evaluated. The proposed method enables to obtain force - time record. The response function is represented by the time history of the surface displacement. This function has been recorded using laser vibrometer technique. The main features of the force and displacement function have been found both in the time and frequency domain. It has been found that given method can be used for the detection of the potato tubers damage origin as well as for the differentiation among different varieties of the potatoes. There is also a chance to evaluate the main mechanical characteristics of the potato tubers by non - destructive way.

This paper deals with the efficiency of the high-frequency foreign exchange market. The objective of this paper is to investigate whether standard statistical tests give the same results for time series resampled at intervals of 15.30 and 60 min. The data used for the purpose of this paper contain major currency pairs such as EUR/USD, GBP/USD and JPY/USD. The results of statistical tests indicate that the high frequency intervals (15-minute) are not random and should not be considered independent. On the other hand, tests with lower frequency rates (30 and 60 min) indicate rising randomness of the market.

This paper deals with technical analysis and its forecasting ability in the intradaily foreign exchange market. The objective of this study is to investigate whether technical indicators are able to provide prediction superior to "buy and hold" strategy. Each indicator is tested with series of parameters in time series of different frequency (5, 15, 30, 60 min). The profitability of each indicator is examined in simple trading modell.