致各核心期刊总编辑的信总编先生:我们荣幸地通知您,依据文献计量学的原理和方法,经过研究人员对相关文献的检索、计算和分析,并请学科专家鉴定,贵刊《商业时代》（原《商业经济研究》）被确定为贸易经济类的核心期刊,并被编入《中文核心期刊要目总览》2000年版（即第三版）。该书定于2002年6月由北京大学出版社出版、著录内容包括题名、并列题名、主办单位、出版单位、创刊时间、刊期、分类号、ISSN号、CN号、邮发代号、地址、邮编和内容简介等。 We are honored to inform you that, based on the principles and methods of bibliometrics, we have retrieved, calculated and analyzed relevant documents from researchers and invited experts to identify them. Your business, Commercial Time “(formerly” Business Economics Research ") was identified as the core journal of trade and economics and was compiled into the 2000 edition of the Catalog of Major Chinese Core Journals (3rd Edition). The book is scheduled to be published by Peking University Press in June 2002. It includes title, co-title, sponsor, publishing unit, date of issue, issue date, classification number, ISSN number, CN number, postal code, address, Zip code and content briefings.