Yes, The APT Is Testable

  • PHILIP H. DYBVIG
  • , STEPHEN A. ROSS

    Research output: Contribution to journalArticlepeer-review

    76 Scopus citations

    Abstract

    The Arbitrage Pricing Theory (APT) has been proposed as an alternative to the mean‐variance Capital Asset Pricing Model (CAPM). This paper considers the testability of the APT and points out the irrelevance for testing of the approximation error. We refute Shanken's objections, including his assertion that Roll's critique of the CAPM is applicable to the APT. We also explain the testability of the APT on subsets, and we explore the relationship between the APT and the CAPM. 1985 The American Finance Association

    Original languageEnglish
    Pages (from-to)1173-1188
    Number of pages16
    JournalThe Journal of Finance
    Volume40
    Issue number4
    DOIs
    StatePublished - Sep 1985

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