Carola Hommerich holds a PhD in Sociology from the University of Cologne. In her dissertation research she investigated the change of work values in Germany and Japan. Since April 2008 she is working as senior research fellow at the DIJ, where she researches on happiness and social inequality in Japan. Here, she especially concentrates on the interrelations of objective precarity and subjective perception of social exclusion. Her main research interests relate to empirical, cross-cultural research, social values as well as sociological approaches to social inequality.