Refining the information function method: Instrument and application

Dan Qin*

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review


    Information function method is a powerful tool for analyzing the information requirements of social welfare functions. However, the original information function provides only a coarse description of information structure. In this article, we propose a refinement of this method by changing the range of the information function. We also analyze the role of partially relevant information in preference aggregation through an application of the refined version of the information function method.

    Original languageEnglish
    Pages (from-to)84-101
    Number of pages18
    JournalCzech Economic Review
    Issue number2
    Publication statusPublished - 2014


    • Independence condition
    • Information function
    • Partially relevant information
    • Preference aggregation

    ASJC Scopus subject areas

    • Economics, Econometrics and Finance(all)


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