M. B. Denisenko
National Research University Higher School of Economics (HSE University)
Russian Federation

Mikhail B. Denisenko – Cand. Sci. (Econ.), Associate Professor, Tenured Professor, Director, Vishnevsky Institute of Demography

11, Pokrovsky Bulvar, Moscow, 101000 

M. A. Smirnova
National Research University Higher School of Economics (HSE University)
Russian Federation

Mariya A. Smirnova – Graduate Student, Vishnevsky Institute of Demography

11, Pokrovsky Bulvar, Moscow, 101000 

A. V. Stepanova
Lomonosov Moscow State University
Russian Federation

Anastasia V. Stepanova – Engineer, Research Laboratory of Population Economics and Demography, Faculty of Economics

1, Leninskie Gory, Moscow, 119991