Marc Baudry is a Professor of Economics (ProfTit) in the Department of Economics at the Université Paris Nanterre, France, as well as a research fellow at EconomiX (CNRS) and head of the 'CO2 pricing and low-carbon innovation' pole at the Climate Economics Chair. Sławomir Ireneusz Bukowski is a Professor of Economics (ProfTit), Head of the Department of International Business and Finance in the Faculty of Economics and Finance and Rector at Casimir Pulaski Radom University in Radom, Poland. Marzanna Barbara Lament is an Associate Professor of Economics and Finance and Head of the Department of Finance, Insurance and Accounting and Dean at the Faculty of Economics and Finance in Casimir Pulaski Radom University in Radom, Poland.