http://reply.papertrans.cn/3/213/21209/21209-11.png
http://reply.papertrans.cn/3/213/21209/21209-12.png
Submitted on: 30 November 2015.
Revised on: 13 December 2015.
Accepted on: 30 December 2015.
MANAGEMENT SCIENCE---INFORMS
Submitted on: 16 November 2010.
Revised on: 10 December 2010.
Accepted on: 17 December 2010.
MANAGEMENT SCIENCE---INFORMS
http://reply.papertrans.cn/3/213/21209/21209-15.png
http://reply.papertrans.cn/3/213/21209/21209-16.png
http://reply.papertrans.cn/3/213/21209/21209-17.png
Submitted on: 31 January 2000.
Revised on: 01 March 2000.
Accepted on: 27 March 2000.
MANAGEMENT SCIENCE
Submitted on: 08 October 1998.
Revised on: 19 November 1998.
Accepted on: 05 December 1998.
MANAGEMENT SCIENCE---INFORMS
http://reply.papertrans.cn/3/213/21209/21209-20.png