Year 2020

• Degree of monopoly and market power vs. price flexibility in Polish economy: empirical analysis based on COICOP classification

  Publication

  • P. Umiński

  - Oeconomia Copernicana - Year 2020

  Research background: The issue of price flexibility is crucial in the economy both in the aspect of company theory and its macroeconomic consequences. In a number of publications, the sources of variable price flexibility are linked to the market power of enterprises as well as the market structure that has developed in a given branch. It is difficult to indicate empirical studies that would state clearly whether price flexibility...

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• Market Structure and Market Power in Selected Sectors of The Polish Economy Based on COICOP Classification

  Publication

  • P. Umiński

  - Year 2020

  This paper present new and simple measures of market structure and market power. Based on the classical models of market structures, where a given structure is determined by the number of enterprises, indexes of degree of monopoly have been estimated, representing an average number of entities per branch. Additionally, market power indexes have been determined as an average revenue per an enterprise in a given branch. This approach...

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Year 2017

• Znaczenie monopolizacji w postkeynesowskich teoriach cenotwórstwa

  Publication

  • P. Umiński

  - Ruch Prawniczy, Ekonomiczny i Socjologiczny - Year 2017

  Artykuł jest teoretyczną podstawą empirycznych analiz cen prowadzonych zgodnie z ekonomią postkeynesowską. Postkeynesiści, ze względu na krytyczny realizm jako metodologiczną podstawę ekonomii postkeynesowskiej, wyróżniają trzy teorie ustalania ceny przez przedsiębiorstwa – ceny administrowane (administered proces), cenotwórstwo oparte na kosztach normalnych (normal cost prices) i cenotwórstwo oparte na narzucie (mark up prices)....

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