“…1 However, considering liquidity in investment is important since liquidity affects portfolio investment performance (Holthausen, Leftwich, and Mayers (1991), Keim (2003), Lesmond, Schill, and Zhou (2004), Korajczyk and Sadka (2005)) and it has a significant implication for portfolio diversification strategies (Domowitz and Wang (2002), Harford and Kaul (2004)). In addition, it has been shown that liquidity affects the cross-sectional differences of asset returns as a characteristic (Amihud and Mendelson (1986), Brennan and Subrahmanyam (1996), Amihud (2002)) or as a risk factor (Pastor and Stambaugh (2003), Sadka (2004), Acharya and Pedersen (2005)).…”