**7. Conclusions**

The main objectives of the paper were completed:


Additionally, the research questions were answered:


**Author Contributions:** P.S.—Conceptualization, formal analysis, writing—original draft; W.G.— conceptualization, formal analysis, writing—review and editing, funding acquisition; A.W.-S.— conceptualization, formal analysis, writing—original draft; S.C.—conceptualization, formal analysis, writing—initial draft; R.B.—conceptualization, formal analysis, writing—original draft. All authors have read and agreed to the published version of the manuscript.

**Funding:** Funded by Faculty of Economic Sciences and Management, The Nicolaus Copernicus University in Toru ´n (NCU).

**Institutional Review Board Statement:** Not applicable.

**Informed Consent Statement:** Not applicable. **Data Availability Statement:** The primary statistical data https://data.worldbank.org/; https:// stat.gov.pl/; https://data.europa.eu/en.

**Conflicts of Interest:** The authors declare no conflict of interest.
