Vadim Kufenko provides a theoretical and empirical analysis of various aspects of economic growth and income inequality in the Russian regions using different estimation techniques from the cross‎-section OLS and logistic models to dynamic panel data system GMM‎.‎ The general period for the data is 1995‎-2012‎.‎ Acknowledging the crucial role of human capital‎,‎ the author models the brain‎-drain using game theory and shows that the owners of human capital may have monetary as well as institutional motives‎.‎ He states that the income gap between the regional elite and the population is a robust positive determinant of the risk of protests‎.‎ â