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Takashi Negishi

From Wikipedia, the free encyclopedia

Takashi Negishi
Takashi Negishi
Born (1933-04-02) April 2, 1933 (age 90)
Tokyo, Japan
Academic career
InstitutionToyo Eiwa University
Aoyama Gakuin University
University of Tokyo
FieldMicroeconomics
General equilibrium theory
History of economic thought
School or
tradition
Neo-Walrasian economics
Alma materUniversity of Tokyo
InfluencesKenneth J. Arrow[1]
AwardsJapan Academy Prize (1993)
Order of Culture (2014)

Takashi Negishi (根岸隆, Negishi Takashi, born 2 April 1933) is a Japanese neo-Walrasian economist.

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  • Lecture "Incentives and Efficiency" by Hugo F. Sonnenschein

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Career

Negishi graduated Faculty of Economics, University of Tokyo in 1956 and received a PhD in Economics from University of Tokyo in 1963.[2]

Contributions

Negishi's research has provided a wide range of extensions to orthodox general equilibrium modelling. These additions have typically involved imperfect competition, stability and unemployment.[3][4]

Controversy

Negishi is most famous for Negishi welfare weights or Negishi social welfare function, a system of weighting welfare assessment used in the Kyoto Protocol and other macro-economic analyses. These are controversial insofar as they recognize and embed into economic analysis a varying and unequal price of life across different countries. Elizabeth A. Stanton specifically criticized this approach in Negishi Welfare Weights: The Mathematics of Global Inequality, 2011, arguing in an interview [5] that:

"…Negishi weighting is a key ethical assumption at work in climate-economics models, but one that is virtually unknown to most model users. Negishi weights freeze the current distribution of income between world regions; without this constraint, IAMs that maximize global welfare would recommend an equalization of income across regions as part of their policy advice. With Negishi weights in place, these models instead recommend a course of action that would be optimal only in a world in which global income redistribution cannot and will not take place" at any rate whatsoever.

This is argued by Stanton and others to be both inequitable and inaccurate, as over time that "current distribution" would change, making the policy advice even more wrong than it was when it was decided.

Joshua K. Abbott and Eli P. Fenchel[6] acknowledged that

"Negishi weights are often criticized on ethical grounds. [But] We show the Negishi SWF is ethically consistent with the Golden Rule, whereby the social planner weights others’ utilities at a point in time as he would weight his own future discounted utility."

However, the assumptions are still those of the planner and not those whose welfare is planned for. An empirical observation that remains unexplained is why the income distribution observed in 1948 by George F. Kennan, when the US had 50% of world wealth (and presumably income) with 6% of its population,[7] remained so similar to the price of life ratio between developed and developing world as of Kyoto in 1990, at about 15 to 1. However, this could not be blamed easily on Negishi.

Festschrift

  • Ikeo, A., & Kurz, H.-D. (2009). A history of economic theory: Essays in honour of Takashi Negishi. London: Routledge.

Selected publications

  • Negishi, T. (1960). Welfare economics and existence of an equilibrium for a competitive economy. Metroeconomica, June, 12, 92–97.
  • Negishi, Takashi (1962) The Stability of a Competitive Economy: A Survey Article, Econometrica Vol. 30, No. 4, Oct., pp. 635–669
  • Negishi, Takashi, (1979) Microeconomic Foundations of Keynesian Macroeconomics, Amsterdam: North-Holland

References

  1. ^ "経済学発展に貢献 文化勲章の根岸隆氏". The Nikkei. 24 October 2014. Retrieved 29 April 2016.(in Japanese)
  2. ^ "CiNii Dissertations - 一般均衡理論の諸問題". CiNiib. Retrieved 7 May 2016.
  3. ^ Young, W. (2010). A History of Economic Theory Essays in honour of Takashi Negishi. The European Journal of the History of Economic Thought, February, 17, 1, 145-147.
  4. ^ Backhouse, R., & Middleton, R. (2000). Exemplary economists: Europe, Asia and Australasia. Cheltenham, UK: Elgar(Accessed April 2012)
  5. ^ "Must-Read: Elizabeth Stanton: Negishi Welfare Weights: The Mathematics of Global Inequality". 16 July 2016.
  6. ^ Abbott, Joshua K.; Fenichel, Eli P. (11 November 2019). "Following the golden rule: Negishi welfare weights without apology" (PDF). www.joshuakabbott.com. Archived (PDF) from the original on December 2, 2021. Retrieved 16 April 2023.
  7. ^ Kennan, George F. (1948), Policy Planning Study (PPS) 23, Washington D.C.{{citation}}: CS1 maint: location missing publisher (link)
This page was last edited on 2 July 2023, at 17:25
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