MARGINAL ANALYSIS AS A BUSINESS MANAGEMENT TOOL: THE EXPERIENCE OF GERMANY Authors L. Kalachevska https://orcid.org/0000-0001-7090-2518 M. Stetsenko https://orcid.org/0009-0002-7827-0214 DOI: https://doi.org/10.32702/2307-2105.2023.10.19 Downloads pdf (Українська) Published 2023-10-19 Issue No. 10 (2023): Efektyvna ekonomika Section Статті