机译:流动性溢价和Corwin-Schultz买卖差价估计
Shanxi Business School, Shanxi University, Taiyuan, China;
Shanxi Business School, Shanxi University, Taiyuan, China;
Department of Socio-culture, Guangdong Provincial Administration Institute,Guangzhou, China;
Shanxi Business School, Shanxi University, Taiyuan, China;