Preprint
ARPHA Preprints
https://doi.org/10.3897/arphapreprints.e104783 (11 Apr 2023)
https://doi.org/10.3897/arphapreprints.e104783 (11 Apr 2023)
Published in: Population and Economics https://doi.org/10.3897/popecon.7.e104639
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ARPHA Preprints
doi:
10.3897/arphapreprints.e104783
First posted
11 Apr 2023
Authors
Vitaly Eshrokov 
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Lomonosov Moscow State University, Moscow, Russia
Lomonosov Moscow State University, Moscow, Russia
Lomonosov Moscow State University, Moscow, Russia
Conflict of interest
The authors have declared that no competing interests exist.
This is an open access preprint distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.