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EN
Accession of Poland to the European Union meant that its eastern border became the external frontier of the Community. The next step in the European integration was joining the Schengen Zone by Poland. Polish citizens may freely travel throughout the Schengen Zone and the state was obliged to tighten its eastern border. Under these circumstances conducting research on passenger traffic has become a vital issue, with particular focus on the eastern frontier. In the article an attempt is made at examining the possibility of forecasting passenger traffic on the example of border crossing points between the Subcarpathian Province and Ukraine using the ARIMA models. Confirmation of these possibilities seems to be crucial as the number of people crossing the border is characterized by high variability and sensitivity to the political situation. The study is based on the information provided by the Polish Border Guard. The conducted time series analysis is of a multi-purpose character. It may be used to support decision making processes of investment, organizational, as well as socio-political nature.
EN
Economic systems as complex systems are the source of many unconventional researches. The actual phenomena in complex systems have the non-scalability features and non-scalability does not exist without the power laws. This paper presents the occurrence of power series of rights and self-similarity in the distribution of national income in 2010, in terms of countries, the European Union and the Polish subregions. This means that one can study economic systems using tools of complex systems theory. This applies especially to the study of the mechanisms governing the system at the local level that generate global action.
EN
The aim of the article is to apply the method of spatial analysis to research the real estate property market in Subcarpathian region in Poland. The methods of spatial statistics will be used to model the space differences of prices per 1m2 of a residential unit located in 26 districts of the Subcarpathian region and to investigate spatial autocorrelation. The databases will be presented in the graphical form. The results may be used to set the spatial regularities and relations. The methods presented may be applied while taking strategic decisions.
EN
The paper aims at specifying conditions and possibilities of application of the equivalence of continous and disctrete dynamical systems in economic models. To this purpose the concepts of a metric group and dynamical base were employed. Cosequently, the comparative analysis of economic models with continous and discrete time were elaborated. The study was reduced to the capital growth model.
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