Media type: E-Article Title: Proposals for Modification of Selected Economic Concepts Amid the COVID-19 Pandemic Contributor: Banaszyk, Piotr; Deszczyński, Przemysław; Gorynia, Marian; Malaga, Krzysztof Published: Warsaw School of Economics, 2021 Published in: Gospodarka Narodowa, 305 (2021) 1, Seite 53-86 Language: Not determined DOI: 10.33119/gn/132485 ISSN: 0867-0005; 2300-5238 Origination: Footnote: Access State: Open Access