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  • Directions for the Reconstruction of the Tax System in Poland – a Growth‑Enhancing Proposal 

    Karnowski, Jakub; Rzońca, Andrzej (Wydawnictwo Uniwersytetu Łódzkiego, 2021-07-08)
    The paper aims to present directions for the growth‑enhancing reconstruction of the tax system in Poland. It presents a diagnosis of the main strengths and weaknesses of that system. Based on this diagnosis and a review ...
  • Sentiment Classification of Bank Clients’ Reviews Written in the Polish Language 

    Idczak, Adam Piotr (Wydawnictwo Uniwersytetu Łódzkiego, 2021-06-30)
    It is estimated that approximately 80% of all data gathered by companies are text documents. This article is devoted to one of the most common problems in text mining, i.e. text classification in sentiment analysis, which ...
  • Selected Remarks on Highly D‑efficient Spring Balance Weighing Designs 

    Graczyk, Małgorzata; Ceranka, Bronisław (Wydawnictwo Uniwersytetu Łódzkiego, 2021-07-01)
    Here, we consider a new construction method of determining highly D-efficient spring balance weighing designs in classes in which a D-optimal design does not exist. We give some conditions determining the relations between ...
  • Polish Domestic Tourism in the Face of SARS‑CoV–2 Pandemic 

    Piechaczek, Aneta (Wydawnictwo Uniwersytetu Łódzkiego, 2021-06-30)
    The paper focuses on the tourism market in the face of the SARS‑CoV–2 pandemic. Its aim is to verify whether Polish tourism in this period actually recorded such a significant drop in interest. The research is based on ...
  • Fertility Trends in European Countries 

    Palma, Agnieszka ORCID (Wydawnictwo Uniwersytetu Łódzkiego, 2021-04-15)
    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 ...