Lasse H. Pedersen's research shows that investors need to be compensated for incurring trading costs and the risk of rising trading costs. Therefore, securities with higher market liquidity risk have higher required return, as per the liquidity-adjusted CAPM.Viral Acharya and Lasse Heje Pedersen (2005), "Asset Pricing with Liquidity Risk," Journal of Financial Economics, 77, 375-410. http://pages.stern.nyu.edu/%7Elpederse/papers/liquidity_risk.pdf
