This work is supported by China Postdoctoral Science Foundation(Grant No.20070420029);the National Science Foundation of China(Grant Nos.70671004, 70401006, and 70521001);the Beijing Natural Science Foundation Program(Grant No.9073018) for New Century Excellent Talents in Universities(Grant No.NCET-06-0172);the Foundation for the Author of National Excellent Doctoral Dissertation of China(Grant No.200782).
When a new investment opportunity of purchasing a new device occurs, the investors must decide whether or not and when to buy this device in an online fashion. That is, the online player must make an investment decisi...