democracy, authoritarianism, and vodka
"... we find evidence of an inverse U-shaped effect of democracy on vodka consumption: higher level of democracy and autocracy are associated with lower vodka consumption than the intermediate levels" (Anastassia V.Obydenkova and Alexander Libman, Causes and Consequences of Democratization: The Regions of Russia, Routledge, 2015, P.127) https://www.routledge.com/products/9781138818187