發送短信 : Treatment Effect and Sensitivity Analysis for Self-Selected Treatment and Selectively Observed Response

__    __     ___       _____     ___     __   __  
\ \\ / //   / _ \\    / ___//   / _ \\   \ \\/ // 
 \ \/ //   / //\ \\   \___ \\  / //\ \\   \   //  
  \  //   |  ___  ||  /    // |  ___  ||  / . \\  
   \//    |_||  |_|| /____//  |_||  |_|| /_//\_\\ 
    `     `-`   `-` `-----`   `-`   `-`  `-`  --`