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Due to the rapid growth of significance of sustainable development in recent years, there have been many ideas regarding the practical application of environmental and social concepts in business management. Many of thes...

A growing interest in the phenomenon of economic opportunism can be mainly explained by new institutional economics (NIE). It has changed the limitation of that phenomenon into the main method of increasing the efficienc...

Barndorff‑Nielsen and Shephard (2001) proposed a class of stochastic volatility models in which the volatility process is the Ornstein‑Uhlenbeck process driven by a Levy process without gaussian component. Parameter ...

One of the most common errors in research on sustainable development is to analyse a set of features describing this development within one set of diagnostic features. Such an approach does not allow for examining the re...

Globalization and the development of modern information technology have contributed to the higher importance of communication technological support and its use between the client and the entrepreneur in the service indus...

EU subsidies influence the economic and financial situation of farms through several complex channels, although their economic and financial impact may be observed with a delay. The aim of this study was to assess the im...

As technology advances, there is a growing number of potential data sources that can provide an alternative to traditional surveys. An example of this is the real time search popularity data made available through Google...

The research focuses on Poles’ attitudes towards selected aspects associated with social relations. Responses to the following 6 statements were examined: 1 – People try to help others above all, 2 – Homosexuals sh...

Modern research methods of economic development of regions and cities pay special attention to the position of the units in the area expressed by geographical position, the distance between the tested individuals and nei...

We treat financial markets as complex networks. It is commonplace to create a filtered graph (usually a Minimally Spanning Tree) based on an empirical correlation matrix. In our previous studies we have extended this sta...

The usage of information as a weapon in the foreign and domestic policies of Russia is not a new phenomenon. Still, the sophistication and intensity of it grow with each passing year. Recently the EU and USA have realize...

This report provides an overview of the Invited Session titled "Computer Science for Green Technologies and Sustainable Development", held during the 27th International Conference on Knowledge-Based and Intelligent Infor...

The research presented in this article focuses on the urban region of Novosibirsk, which is one of the most industrialized part of Siberia and the Asian part of Russian Federation. To show relationships between the city ...

The main objective of this article is to prepare a hierarchy and typology of rural areas in Poland showing the level of the human capital indicator and his spatial disparities in the context of educational factors. Selec...

The automotive market is constantly developing and employing innovative technologies. The new trend of electromobility affects the whole world and is part of the transformation of the economy. Also, the European Union ta...

This work is intended as an attempt to illustrate and compare the pattern of fertility in European countries: Belarus, Croatia, Hungary, Poland, Portugal, Spain, Sweden, and Switzerland. It deals with the analysis of fer...

We discuss semiparametric mixture model where some components are parametrized with common Euclidean parameter and others are fully unknown. We introduce GEE approach and adaptive GEE-based approach for parameter estimat...

Tadeusz Zieliński was an outstanding scholar specialising in Greek and Roman literature as well as an accomplished orator, though nowadays he is not always appreciated. The best example of his vast knowledge and oratori...

Hugo Steinhaus (1887–1972) studied mathematics and philosophy at the Jan Kazimierz University in Lwow. Since 1905 he stayed in Göttingen where in 1911 he obtained his PhD under David Hilbert. In 1920 he became profess...

The aim of the research which is the base for this paper has been answer the question: if Polish equity securities market with foreign market influence the economic growth in Poland? Following hypothesis was formulated: ...

In times of accelerating inflation, financial instruments that protect capital against loss of value are becoming increasingly important. Therefore, an open question remains as to what to invest in to, if not outstrip, a...

Canonical correlation methods for data representing functions or curves have received much attention in recent years. Such data, known in the literature as functional data (Ramsay and Silverman, 2005), has been the subje...

Open account and letter of credit are the most often used forms of payment in international trade. The first one is simple and cost efficient, but without payment assurance for the seller, the second one is secured, but ...