The papers of IPSS Discussion Paper Series are intended to encourage discussion of social security systems, especially but not exclusively, about those of Japan, and to disseminate the results of researches carried out within IPSS.
They are not official IPSS publications, may be revised for future publications. They do not reflect the views of IPSS nor the Ministry of Health, Labor and Welfare. All responsibilies for those papers go to the author(s).

2018(FY)

• No.2018-E01: Simplified Projection of the Insurance Premiums in the Greater Tokyo Area, 2020-2060
      Nozomu Inoue (National Institute of Population and Social Security Research)

2013(FY)

• No.2013-E02: The Effects of Providing Informal Care on Labor Force Participation, Subjective Health, and Life Satisfaction among Middle-aged Family Members
      Ryotaro Fukahori (Keio University), Kazuma Sato (Meikai University),and Tadashi Sakai (National Institute of Population and Social Security Research)
• No.2013-E01: Child Support and the Poverty of Single-Mother Households in Japan
      Akiko S. Oishi(Chiba University)

2011(FY)

• No.2011-E04: Estimating the Effects of Pronatal Policies on Residential Choice and Fertility
      Ryo Nakajima(Yokohama National University) and Ryuichi Tanaka(National Graduate Institute for Policy Studies)
• No.2011-E03: Forecasting Welfare Caseloads: The Case of the Japanese Public Assistance Program
      Masayoshi Hayashi(The University of Tokyo)
• No.2011-E02: Precautionary Wealth and Single Women in Japan
      Wataru Kureishi(National Institute of Population and Social Security Research) and Midori Wakabayashi(Osaka Prefecture University)
• No.2011-E01: The Effects of Childhood Poverty on Unemployment in Early Working Life: Evidence from British Work History Data
      Yuka Uzuki(Ministry of Education, Culture, Sports, Science and Technology)

2010(FY)

• No.2010-E01: Who values the family-friendly aspects of a job? Evidence from the Japanese labor market
      Tadashi Sakai(National Institute of Population and Social Security Research) and
      Naomi Miyazato(Nihon University)
  

2009(FY)

• No.2009-E01: Child Benefit and Fiscal Burden: OLG Model with Endogenous Fertility
      Kazumasa Oguro(Research Fellow, Institute for International Policy Studies),
      Junichiro Takahata(Researcher, Policy Research Institute, Ministry of Finance, Government of Japan) and
      Manabu Shimasawa(Akita University)

2008(FY)

• No.2008-E02: The Effects of the 1999 Pension Reform on Household Asset Accumulation in Japan: A Test of the Life-Cycle Hypothesis
      Junya Hamaaki(Graduate School of Economics, University of Tokyo)
• No.2008-E01: Introduction to the Theories of Social Market
      Takanobu Kyogoku(National Institute of Population and Social Security Research)

2007(FY)

• No.2007-E02: Household Projection 2006/07 in Japan Using a Micro-simulation Model
      Tetsuo Fukawa(National Institute of Population and Social Security Research)
• No.2007-E01: In Search of New Socio-Economic Theory on Social Security
      Takanobu Kyogoku(National Institute of Population and Social Security Research)

2005(FY)

• No.7: Empirical Analysis of Relative Deprivationand Poverty in Japan"
      Aya Abe(National Institute of Population and Social Security Research)
• No.4: The impact of Social Security on Income, Poverty, and Health of the Elderly in Japan
      Takashi Oshio(Graduate School of Economics, Kobe University) and
      Satoshi Shimizutani (Institute of Economic Research, Hitotsubashi University)
• No.3: Projections of the Japanese Socioeconomic Structure Using a Microsimulation Model (INAHSIM)
      Seiichi Inagaki(The Incorporated Administrative Agency Farmers Pension Funds)