マエダ ジュンイチ   MAEDA Junichi
  前田 純一
   所属   広島修道大学  経済科学部
   職種   教授
言語種別 英語
発行・発表の年月 2021/03
形態種別 学術論文
査読 査読有り
標題 Pay-as-you-go Public Pensions and Intergenerational Risk Sharing
執筆形態 単著
掲載誌名 New Approaches for Operations Research and Applied Economics
掲載区分国内
出版社・発行元 Kyushu University Press
巻・号・頁 Volume 12,pp.59-73
頁数 14
概要 We will examine the intergenerational risk sharing effets of Pay-as-you-go public pensions system following Th$\o$gersen(1998) and Borgmann(2002,2005). We will introduce the setting of Th$\o$gersen(2003) that the past uncertainty effects the current income to the analysis of Th$\o$gersen(1998) and Borgmann(2002, 2005), and examine the variance and expectation of life-cycle income. Two systems(defined contribution and defined benefit) are considered. We will confirm that the expectation of life-cycle income in these two systems would be larger than the case of fully funded. In addition, we will confirm that the variance of life-cycle income would be smaller and there is a tax rate which minimize the variance of life-cycle income. Further, we will confirm that the expectation of defined contribution is larger than the case of defined benefit by comparing two systems.