“…The social aspect of sustainable development as a process of provision of society's balance is studied in the works Au (2019), Eustachio et al (2019), Naderi et al (2019), Nayak et al (2019), Tacon (2019), Thakhathi (2019), and Yang et al (2019). The issues of socio-economic inequality are studied in the works Agunovich et al (2018), D'Aleo and Sergi (2017), Goyal et al (2015, 2017), Popkova and French (2017), Popkova et al (2017, 2018, 2019), Popkova and Gulzat (2020), Popkova and Zmiyak (2019), Popkova and Sergi (2018), Pritvorova et al (2018), Qerimi and Sergi (2015), Ragulina (2019), Ragulina et al (2019), Sergi et al (2019a, b), Shevyakova and Petrenko (2018) and Shevyakova et al (2019).…”