1. corresponding author. Researcher in the Agricultural Finance Department, Institute of Agricultural and Food Economics – National Research Institute, Warsaw, Poland.
2. Emerita, Socio-Economic Research Unit, Institute for Market, Consumption and Business Cycles Research – National Research Institute, Warsaw, Poland.
3. Professor in the Institute of Political Economy, Law and Economic Policy, Collegium of Management and Finance, Warsaw School of Economics, Warsaw, Poland.
4. Emeritus, Socio-Economic Research Unit, Institute for Market, Consumption and Business Cycles Research – National Research Institute, Warsaw, Poland.
5. Professor in the Institute of Econometrics, Collegium of Economic Analysis, Warsaw School of Economics, Warsaw, Poland.