TY JOUR TI Unobserved economy as a barrier to socio-economic development of the region KW regional economy KW strategy KW standard of living KW unobserved economy KW shadow economy KW crime KW criminalization JO The Economy under Guard AU Myachin, N.V. AU Shkvarok, V.M. PY 2022 IS 2022 PB Nizhny Novgorod Academy of the Ministry of the Interior of Russia