TY JOUR TI Informal Employment of the Population and Its Impact on the Tax Component of the Russian Economic System KW informal employment KW tax system KW shadow economy KW tax revenues KW tax crimes JO Scientific Research and Development. Economics of the Firm AU Levshukova, O.A. AU Dzetl', B.R. AU Voytikov, A.A. PY 2023 IS 12 PB INFRA-M Academic Publishing LLC.