發送短信 : Tobin’s Q as a market-based measure of firm’s performance and as a proxy for exposure to systematic risk.

             ___                _____      _____  
    ___     / _ \\      ___    |  ___||   / ___// 
   /   ||  / //\ \\    /   ||  | ||__     \___ \\ 
  | [] || |  ___  ||  | [] ||  | ||__     /    // 
   \__ || |_||  |_||   \__ ||  |_____||  /____//  
    -|_|| `-`   `-`     -|_||  `-----`  `-----`   
     `-`                 `-`