SOTSIOLOGICHESKIJ ZHURNAL (SOCIOLOGICAL JOURNAL) 2019. Vol. 25. No.4 TABLE OF CONTENTS THEORY AND METHODOLOGY Sociology of the Body in Search of its Identity: Analysis of Research Programs Alexander M. Pivovarov P.9-27 “Media Events”»: A Never-Ending Theory? Evgeniya G. Nim P.28-37 SURVEYS, EXPERIMENTS, CASE STUDIES Profile and Major Trends of Japanese Political Identity: Evidence from 1989–2018 Sociological Surveys Sergey V. Chugrov, Liubov B. Karelova P.38-55 Reducing Legalization Expenses as a Topic in Russian-Speaking Migrant Online Communities Dmitry O. Timoshkin P.56-71 Extracurricular Physical Activity and Alcohol Consumption among Adolescents Daria K. Khodorenko, Vera V. Titkova P.72-83 DISCUSSION Demographic Self-Regulation in Terms of Population Growth and Decline Alexander B. Sinelnikov P.84-92 Demographic Transition and the Problem of Demographic Self-Regulation. Answer to A.B. Sinelnikov Anatoly G. Vishnevsky P.93-104 THE METHODOLOGICAL SEMINAR ON THE MEMORY OF G.S. BATYGIN On Interdisciplinarity in Sociology in Light of the Problematic Status of its Disciplinary Identity Alexander N. Malinkin P.105-122 Social Semiotics: Paths towards Integrating Social and Semiotic Knowledge Ivan V. Fomin, Mikhail V. Ilyin P.123-141 HISTORY OF SOCIOLOGY The Practice of Cooperation between Mathematicians and Sociologists in the USSR during the 1960–1980’s Ivan A. Klimov P.142-162 On the History of Mass Media Sociology in Russia: VGTRK’s Audience Research Agency and its Research (1992–2003) Sergey G. Davydov, Nadezhda V. Ademukova P.163-183 Digital research in Germany Ksenia M. Manuilskaya P.184-196 REVIEWS, SUMMARIES [Rev.] Srnicek N. Platform Capitalism. [Russ. ed.: Kapitalizm Platform. Transl. from Eng. and ed. by M. Dobryakova. Moscow: Izd. Dom Vysshei Shkoly Ekonomiki publ., 2019.] Maria V. Kartuzova P.197-202 ON THE ANNIVERSARY OF F. SHEREGI He is Done a lot, but it is Early to Sum up. Towards the 75th Anniversary of Franz Sheregi Boris Z. Doktorov P.203-207