摘要
The title page should contain： （i） the title of the paper, （ii） a suggested running head （abbreviated form of title）, （iii） the full names of the authors and （iv） their positions at relevant institutions （e.g. Associate Professor）, （v） the addresses of the institutions at which the work was carried out together with （vi） the full postal and email address, plus facsimile and telephone numbers, of the author to whom correspondence about the manuscript should be sent, （vii） an abstract of no more than 150 words, （viii） between three and six key words, and （ix） between three and five JEL codes （available from http：//en.iwep.org.cn）. The present address of any author, if different from that where the work was carried out, should be supplied in a footnote.
