• 

  Measuring the sectoral VAT gap in Bulgaria: estimates and its drivers 

  Dybka, Piotr; Bartha, Stanisław; Komisarska, Anna; Kowalczuk, Michał (2026-01)

  The goal of this paper is to estimate the level and provide a sectoral decomposition of the VAT gap in Bulgaria based on the unique dataset provided by the National Revenue Agency in Bulgaria (NRA). We focus on the output ...
• 

  Causal analysis of demand-side economic growth sources using agent-based modelling 

  Chudziak, Szymon (2026-01)

  Research on economic growth has been focused predominantly on production and innovation. The issue of how the funds of consumers and firms grow enough to enable the growth of nominal and real sales has been clouded either ...
• 

  Lifestyle Interdependence in Later Life: Actor and Partner Effects on Well-being in Older Couples 

  Chełchowska, Milena (2026-01)

  Research on lifestyle patterns in later life has predominantly examined isolated behaviors rather than integrated configurations of daily activities. Moreover, despite increasing partner interdependence in older adulthood, ...
• 

  Exploring Personality and Well-being in Older Couples: APIM and DRSA models 

  Chełchowska, Milena (2026-01)

  Personality traits are strong predictors of subjective well-being with meta-analyses supporting the relationships. However, the role of personality similarity in romantic couples, especially among older adults, remains ...
• 

  Wpływ kosztów działalności na ryzyko oraz stopy zwrotu dłużnych funduszy inwestycyjnych 

  Przybył, Jarosław; Martysz, Czesław Bartłomiej (2025)

  Celem artykułu jest syntetyczna ocena wpływu kosztów działalności dłużnych funduszy inwestycyjnych na ich wyniki i ryzyko, z rozróżnieniem funduszy zależnych i niezależnych TFI. Wykorzystujemy zestaw miar efektywności i ...

View more