Основы физики. Механика
The focus of the paper is informal employment in Russia, particularly its development and dynamics as well as the measurement problems and previous research review. The author is trying to explain why it is so sustainable both in the period of crisis and in the period of economic growth. The main conclusions are that the constant increasing rates of the informal employment (almost 20% of all employed) is explained by the dominant strategy of balancing work in the formal and informal sectors and positive evaluations of its benefits and joint interests of the informal workers and their employers.
The article presents the results of experimental and theoretical studies of the dynamics of the process of electric discharge sawing by wire tool electrode aimed at solving problems of control