Authors
Institute of Agricultural and Food Economics National Research Institute, Department of Finance and Risk Management, Warsaw, Poland
justyna.herda-kopanska@ierigz.waw.pl
Institute of Agricultural and Food Economics National Research Institute, Department of Finance and Risk Management, Warsaw, Poland
cezary.klimkowski@ierigz.waw.pl
Institute of Agricultural and Food Economics National Research Institute, Department of Finance and Risk Management, Warsaw, Poland
Institute of Agricultural and Food Economics National Research Institute, Department of Finance and Risk Management, Warsaw, Poland