Chen, Kong-PinKong-PinChenTsai, Tsung-ShengTsung-ShengTsaiTSUNG-SHENG TSAI���������R�t2018-09-102018-09-102007http://www.airitilibrary.com/Publication/Index/1018161x-200709-35-3-291-313-ahttp://scholars.lib.ntu.edu.tw/handle/123456789/331732Optimal Contract for Ambitious Team Workersjournal article