Contribution Requirements:

• 1. Paper l Written in either English or Chinese is needed, please use the MS Word 6.0 or above, and e-mail one of these two versions to the Beijing organizing committee.
• 2. The Paper must contain:
• Abstract, Keywords, Instruction, Text, Conclusion, References
• 3. Paper’s publishing layout should accord to the standard format downloaded from the website (http://sem.bjtu.edu.cn) of Economics and Management School of Beijing Jiaotong University:
• 4. Please typeset Paper outlays in line with the standard format as above mentioned.
• 5. One person, one draft (including the second author). No multiplecontributions
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