of European regions granted by the National Science Centre in Poland (NCN). Ekspert: Small farms, small food businesses and sustainable food security, Horizon2020. Koordynator: Determinants of agricultural incomes in European regions considering resources and its productivity, granted by the National Science Centre in Poland (NCN). Kierownik: Political rents in the European Union’s agriculture – comparative analysis basing on the UE27, granted by the National Science Centre in Poland (NCN). Kierownik: Economic rents in food economy in Poland in comparison with highly developed countries, granted by the National Science Centre in Poland (NCN). Koordynator: HC OP 4.1.1 „Modern analytical techniques in improving the quality of education in economic studies (UDA) 2009-2011. Wykonawca: „Economic conditions for the use of market-based instruments of price stabilization and risk management in agriculture”, January 2004. Wykonawca: „Absorption of CAP funds in Wielkopolska on the example of selected support schemes”, interdisciplinary research project between Poznan University of Economics and University of Life Science in Poznań, 2005.