 On the other hand, he has shown that the escape from the Malthusian trap is accompanied by another "trap" generating new sociopolitical upheavals (what he calls "a trap at the escape from the trap").In collaboration with Daria Khaltourina he has made a significant contribution to the study of the factors of the current Russian demographic crisis.They have demonstrated that post-Soviet Russia experiences one of the world's highest prevalence of alcohol-related problems, which contributes to high mortality rates in this region.