Some Empirical Tests of the Theory of Arbitrage Pricing

  • Author(s): NAI‐FU CHEN
  • Published: Apr 30, 2012
  • Pages: 1393-1414
  • DOI: 10.1111/j.1540-6261.1983.tb03831.x


We estimate the parameters of Ross's Arbitrage Pricing Theory (APT). Using daily return data during the 1963–78 period, we compare the evidence on the APT and the Capital Asset Pricing Model (CAPM) as implemented by market indices and find that the APT performs well. The theory is further supported in that estimated expected returns depend on estimated factor loadings, and variables such as own variance and firm size do not contribute additional explanatory power to that of the factor loadings.

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