Becker, G. S. (1974). A theory of social interactions. Journal of political economy, 82(6), 1063-1093. 올린이:서울대학교 행복연구센터 5월 10, 2021 초록 없음 Becker, G. S. (1974). A theory of social interactions. Journal of political economy, 82(6), 1063-1093. https://doi.org/10.1086/260265