Banaszyk, Piotr, Przemysław Deszczyński, Marian Gorynia, and Krzysztof Malaga. 2021. “The Covid-19 Pandemic As a Potential Change Agent for Selected Economic Concepts”. Entrepreneurial Business and Economics Review 9 (4):35-50. https://doi.org/10.15678/EBER.2021.090403.