1. 1. State Statistics Service of Ukraine. (2018). Expenditure and resources of households of Ukraine in 2017 year. Kyiv. Retrieved from http://www.ukrstat.gov.ua/druk/publicat/kat_u/2018/zb/07/zb_vrdu2017_pdf.pdf [in Ukrainian].
2. 2. Eurostat. (n. d.). Gini coefficient of equivalised disposable income. EU-SILC Survey. Retrieved from http://epp.eurostat.ec.europa.eu/tgm/table.do?tab=table&language=en&pcode=tessi190.
3. 3. Eurostat. (n. d.). S80/S20: inequality of income distribution (income quintile share ratio) - total. EU-SILC Survey. Retrieved from http://appsso.eurostat.ec.europa.eu/nui/show.do?dataset=ilc_di11&lang=en.
4. 4. Credit Suisse Research Institute. (2017, November). Global Wealth Databook 2017. Retrieved from https://www.fondsnieuws.nl/marktrapporten/file/14249.
5. 5. Niehues, J. (2014). Subjective perceptions of inequality and redistributive preferences: An international comparison. Retrieved from https://relooney.com/NS3040/000_New_1519.pdf.