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Population and Economics 2(1): 70-120
doi:
10.3897/popecon.2.e36039
Published:
06 Apr 2018
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Authors
Ekaterina Vetrova 
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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.
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