割引率は何を意味しどのように発展してきたか  [in Japanese] An Anatomy of Discounting in Costbenefit Analysis  [in Japanese]

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Abstract

<p>本稿では,長期的な環境問題を念頭に,割引率に関する様々な議論を紹介する.まず,Frank Ramsey の古典的な研究を出発点に,世代間衡平性との兼ね合いから割引の問題を論ずる.また,主に不確実性に焦点を当てながら,DDR と呼ばれる比較的新しい割引理論について詳細に解説する.さらに,割引率が費用便益分析の中で果たす役割についても,地球温暖化問題を例に具体的に示す.</p>

<p>This paper provides an overview of the standard theory of discounting in cost-benefit analysis. With an application to long-term environmental problems in mind, we begin with the classic issue of discounting and intergenerational equity, which dates back to the seminal work of Frank Ramsey in the 1920s. Then, by reviewing recent developments in the theory of declining discounting rates (DDRs), we show how relatively low and declining discount rates can be justified in the presence of uncertainty. Also, we briefly discuss the practical implications of discounting in the context of climate change.</p>

Journal

  • Review of Environmental Economics and Policy Studies

    Review of Environmental Economics and Policy Studies 9(2), 1-20, 2016

    The Society for Environmental Economics and Policy Studies

Codes

  • NII Article ID (NAID)
    130005277394
  • Text Lang
    JPN
  • ISSN
    1882-3742
  • Data Source
    J-STAGE 
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