信息部门一直作为国民经济的一个组成部分而存在着。但人们未能认识、分析和理解信消部门在经济与社会改革中所起的关键性作用。随着信息经济学的出现,确定并计量信息部门的标准也有所改进,并得到人们的承认。一种正在产生的知识实体,对于政策制定者及发展计划人员显然具有深刻意义。若干研究表 The information sector has always existed as an integral part of the national economy. However, people have not been able to understand, analyze and understand the key role that the message-taking department plays in economic and social reforms. With the advent of information economics, the criteria for identifying and measuring the information sector have also improved and have gained recognition. An emerging knowledge entity is clearly of profound significance to policymakers and development planners. Several study tables