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When is weak Pareto equivalent to strong Pareto?

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  • Cato, Susumu

Abstract

This paper shows that weak Pareto and strong Pareto are equivalent under continuity and strong quasi-concavity. We use a framework that incorporates welfare as well as non-welfare information.

Suggested Citation

  • Cato, Susumu, 2023. "When is weak Pareto equivalent to strong Pareto?," Economics Letters, Elsevier, vol. 222(C).
    • Handle: RePEc:eee:ecolet:v:222:y:2023:i:c:s016517652200427x
    DOI: 10.1016/j.econlet.2022.110953
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    References listed on IDEAS

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    1. Blackorby,Charles & Bossert,Walter & Donaldson,David J., 2005. "Population Issues in Social Choice Theory, Welfare Economics, and Ethics," Cambridge Books, Cambridge University Press, number 9780521532587, November.
    2. Marc Fleurbaey & Bertil Tungodden & Howard F. Chang, 2003. "Any Non-welfarist Method of Policy Assessment Violates the Pareto Principle: A Comment," Journal of Political Economy, University of Chicago Press, vol. 111(6), pages 1382-1386, December.
    3. Kaushik Basu & Tapan Mitra, 2003. "Aggregating Infinite Utility Streams with InterGenerational Equity: The Impossibility of Being Paretian," Econometrica, Econometric Society, vol. 71(5), pages 1557-1563, September.
    4. Susumu Cato, 2013. "Social choice, the strong Pareto principle, and conditional decisiveness," Theory and Decision, Springer, vol. 75(4), pages 563-579, October.
    5. Marc Fleurbaey & François Maniquet, 2018. "Optimal Income Taxation Theory and Principles of Fairness," Journal of Economic Literature, American Economic Association, vol. 56(3), pages 1029-1079, September.
    6. Susumu Cato, 2019. "The possibility of Paretian anonymous decision-making with an infinite population," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 53(4), pages 587-601, December.
    7. Suzumura, Kotaro, 2001. "Pareto principles from Inch to Ell," Economics Letters, Elsevier, vol. 70(1), pages 95-98, January.
    8. Cato, Susumu, 2017. "Unanimity, anonymity, and infinite population," Journal of Mathematical Economics, Elsevier, vol. 71(C), pages 28-35.
    9. Louis Kaplow & Steven Shavell, 2001. "Any Non-welfarist Method of Policy Assessment Violates the Pareto Principle," Journal of Political Economy, University of Chicago Press, vol. 109(2), pages 281-286, April.
    10. Kristof Bosmans & Z. Emel Öztürk, 2022. "Laissez-faire versus Pareto," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 58(4), pages 741-751, May.
    11. Woo, Wai Chiu, 2018. "Kaplow–Shavell welfarism without continuity," Mathematical Social Sciences, Elsevier, vol. 96(C), pages 92-96.
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    Cited by:

    1. Cato, Susumu & Harada, Ko, 2023. "A new result on the impossibility of avoiding both the repugnant and sadistic conclusions," Economics Letters, Elsevier, vol. 232(C).

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