Paweł Dykas is Associate Professor at the Department of Mathematical Economics of the Jagiellonian University, Krakow, Poland.
Tomasz Tokarski is Full Professor of Economics at the Department of Mathematical Economics of the Jagiellonian University, Krakow, Poland.
Rafał Wisła is Professor of Economics at the Department of Economics and Innovation of the Jagiellonian University, Krakow, Poland.