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MA, Xinxin

Associate Professor / Research Division of Comparative and World Economics

Chinese Economy, Labor Economics, Development Economics


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Previous research

My main research activity involves empirical studies on the Chinese economy, particularly its economic transition and the changes in China’s labor market structure. I participated in international research projects on China, Japan, and Korea organized by the Policy Research Institute of Japan’s Ministry of Finance in 2006–2008. Using the Chinese micro survey data, I conducted joint researches with the Institute for Income Distribution at Beijing Normal University, the Institute of Population and Labor Economics at the Chinese Academy of Social Sciences, and the Development Research Center of the State Council, focusing on such issues as wage differentials in China, migration and segmentation of the Chinese labor market, and Lewis turning point in the Chinese economy. Since 2012, I have been participating in the Ministry of Health, Labor, and Welfare Grant-in-Aid for Scientific Research Project conducted by the National Institute of Population and Social Security Research. This project has involved empirical studies on the effect of the public health insurance reform on household utilization of healthcare, income inequality, and health inequality.
I conducted research using the Keio Household Panel Survey and Japanese Household Panel Survey from 2004 to 2012. Using these panel data, I investigated the mechanisms determining household consumption behavior, along with the determinants of labor participation and time allocation in the household. Furthermore, from 2006 to the present, I have been participating in research projects organized by the Japan Institute of Labour Policy and Training (JILPT) for the Ministry of Health, Labour and Welfare. I employed the government’s national statistics and original survey data collected by the JILPT to clarify the determinants of female and elderly labor participation and identify policy implications related to promoting these groups’ labor participation in response to the problem of Japan’s declining population.

Current research projects

My current research focuses on the following empirical studies:
(1) The effect of minimum wage on employment and wage distribution in China
(2) The public health insurance system reform and its impact on health care service utilization in China
(3) Rural-urban migrants and disparities of participation in social security system
(4) Economic system transition and the determinants of self-employment in China
(5) Income inequality between migrants and local urban residents in urban China
(6) Labor policy research projects on promoting the single mother, the elderly labor participation, and irregular worker employment policy in Japan
Project (1) is a continuation work supported by the Japan Society for the Promotion of Science KAKENHI Grant (Grant-in-Aid for Scientific Research (C)) for three years. Project (2) began in April 2015 and was organized by the Education/Health Productivity research group, Research Institute of Economy, Trade and Industry, Ministry of Economy, Trade and Industry (Japan). Project (3) also began in April 2015 as one of the Ministry of Health, Labour, and Welfare Grant-in-Aid for Scientific Research Projects conducted by the National Institute of Population and Social Security Research. Projects (4) and (5) are international joint research activities using the latest micro survey data from the Chinese Household Income Project. Finally, project (6) represents labor policy research organized by the JILPT, in which I have been participating since 2006.

Chinese economy, economics of transition, labor economics, development economics, income inequality in China, social security system in China, Chinese labor market