Purpose – The purpose of this paper is to test the relationship between gross domestic product (GDP) and agency work. Design/methodology/approach – The paper develops a theoretical model for the time interdependence of GDP, agency work and regular employment and tested model predictions...

The recent economic crisis has altered the dynamics of economic series and, as a consequence, introduced uncertainty in seasonal adjustment of recent years. This problem was discussed in recent workshops at the European Central Bank and at Eurostat in the context of adjustment of the Euro Area...

In this paper, the authors compare a trigonometrically designed low-pass filter with the Hodrick-Prescott filter and a conventional moving average. The authors examine by means of transfer functions, some practical applications and in comprehensive stochastic simulations how well the three...

This paper compares the efficiency of two methods explaining the cyclical movement of a time series at its current end. It refers to a newly developed low-pass filter and the seasonal adjustment method, represented by ASA-II. The empirical analysis starts with a visual comparison of the results...

This paper discusses the rising profile of natural gas in global energy, factors constraining its further development, the gas contracting process, and the absence of a global market, which is analyzed in the context of the economic rent in the gas price and the opaque nature of gas contracts. A...