“…The only cross-regional index of this kind available for the study of contemporary Russia is the Petrov-Titkov democracy index, a composite measure defined as an average of ten indicators pertaining to different aspects of political regime openness, including the quality of elections and local self-government, economic liberalisation, civil society development, and media freedom. 4 The values of the index are derived from expert judgment, which is certainly a shortcoming from a methodological perspective, yet its empirical validity has been demonstrated in several recent studies (Lankina 2012;Obydenkova and Libman 2013). In a second step, given that my major theoretical explanation of the observed impact of electoral authoritarianism upon the dependent variable is derived from the expectations regarding the age profile of the pro-government party, United Russia, I employed the percentage share of deputies elected under the label of this party as one of the independent variables.…”