Latest Communications of International Proceedings articles

The paper presents several aspects related to the production ofbiogas from vegetable demerara and sludge resulting in wastewater treatment plants.The history of biogas production, the legislation in force, as well as the principles of the biogasprocessare presented.At the end of the workthere are several economic…

The economic and political changes that took place in Poland after 1989, and in particular the transition from a planned economy system to a free market, caused a revival of these legal regulations, which before 1989 were of little importance. These areas include, in particular,…

As part of a larger research that deals with modeling different aspect concerning oil and gas industry, this paper explores the possibilities of building up indicators for the analysis of investment efficiency in oil and gas industry aiming mainly at efficiency indicators, the influence of…

The technology giants, Google, Apple, Meta, Amazon and Microsoft, referred to as GAFAM, have become key actors in the digital economy. As digital platforms, they operate high up the value chain, generating huge revenues and profits and occupying leading positions in terms of market value.…

The main motive of this article was the inclusion of the Russian Federation on February 14, 2023, in the EU list of non-cooperative jurisdictions for tax purposes in context of tax implications for Polish companies conducting business in Russian Federation. Polish tax regulations do not…

Assessing women's access to employment is not a simple task. This requires the use of measurement tools to provide a vision of the level of access to the job market. Although most of these tools are statistical indicators, they do not take into account the…

The article is a continuation of original international research conducted in 2017 and 2020 among young people, management students in Poland and Portugal. Both countries are characterized by mass emigration among young, educated people. The most important reasons for leaving the country are economic reasons.…

The possibilities of monetary and fiscal regulation are actively used today to create conditions for establishing the desired macroeconomic proportions or macroeconomic equilibrium. To obtain feedback on the effectiveness of monetary and fiscal interaction, as well as on deviations in the macroeconomic environment, it would…

The aim of this work is to analyze the functioning of public transport in the economic aspect, which will be carried out on the example of the city of Krakow. At the beginning of the work, public transport was described as the basis for sustainable…

Gold and crude oil are classified as raw materials. The shaping of their prices results, on the one hand, from their use in the economy, and, on the other, from the investment demand for these assets. The purpose of this article is to indicate the…