Sensitivity of Multivariate Tests of the Capital Asset‐Pricing Model to the Return Measurement Interval

  • Author(s): PUNEET HANDA, S. P. KOTHARI, CHARLES WASLEY
  • Published: Apr 30, 2012
  • Pages: 1543-1551
  • DOI: 10.1111/j.1540-6261.1993.tb04767.x

ABSTRACT

The capital asset‐pricing model's (CAPM) primary empirical implication is a positively sloped linear relation between a security's expected rate of return and its relative risk (beta). Recent research indicates that inferences about the risk‐return relation are sensitive to the choice of the return measurement interval. We perform multivariate tests of the Sharpe‐Lintner CAPM using monthly and annual returns on market‐value‐ranked portfolios. The CAPM is rejected using monthly returns, a result consistent with previous research. In contrast, we fail to reject the CAPM when annual holding period returns are used.

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