试析网络数据库检索中的“边际效应”

Analysis on the Marginal Effect of Information Retrieval in Web Databases

运用经济学中的“边际”概念,从网络数据库检索过程中检索方式、检索途径、检索技术的提供对用户使用的影响出发,论述了网络数据库检索中的“边际效应”。

Based on the concept of margin in western economics, this paper analyzes the marginal effect of the information retrieval in web databases. The analysis is mainly focus on the marginal effects on the use of customers created by the supplies of the information retrieval types, retrieval channels and retrieval technologies in the web databases＇ retrieval.