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Keywords:

  • Asset pricing;
  • Liquidity premium;
  • Liquidity factor;
  • Size effect;
  • Value effect

Abstract

We propose a simple way to capture the multidimensionality of liquidity. Our analysis indicates that existing liquidity measures have considerable asset specific components, which justifies our new approach. Constructing a two-factor model with the market and liquidity factor proposed in this paper, we find that our two-factor model explains well the cross-section of stock returns in Korea from 1987 to 2010, describing the liquidity premium, size and value effects that the CAPM and Fama-French three-factor model fail to explain. Our results also show that the role of liquidity risk on expected stock returns is especially pronounced during the post-Asian financial crisis period.