!!!Research Activities *[CSSI (Center for the Study of Social Stratification and Inequality)|http://www.sal.tohoku.ac.jp/coe/index-en.html] **The 21st Century Center of Excellence Program (21 Century COE Program) is one of the competitive fundings offerd by MEXT (Ministry of Education, Culture, Sports, Science and Technology), supporting the formation of global research and education centers. *[International Advanced Research and Education Organization|http://www.iiare.tohoku.ac.jp/e/index.html]