| Summary: | 碩士 === 國立雲林科技大學 === 企業管理系碩士班 === 92 === Since Internet vigorously developed in 1990, the innovation speed of information technology is more and more quick. Although electronic commerce development was shocked by the network bubbling economy, it is hard to deny the fact that electronic commerce has already indirectly changed the consumer purchasing behavior; Moreover, more and more emphases are gradually putting on digital commodities in recent years, mainly because these industrial output values are relatively higher than other industries’. Domestic companies also realize the benefit induced from this kind of phenomenon which aggressively impels several contents industries, using the information technology to make digital product that create added value.
After reviewing related network theories in recent years, we attempt to apply the viewpoint of value network and the concept of managerial model as well as do some case studies which focus on several Taiwan well-known companies, to explain the relationship among those companies under different industrial positions and different managerial types with several managerial activities. From correlated researches ,we discovered following facts：
1.If value object is mixed value, the more private brands that businesses tended to be.
2.The higher the level of specialization in value object, the more proxy those businesses tended to be.
3.Business type affect activities in different business stage.
4.If natures of business activities are different, the types of output value will also be different.
5.The substitution and added value of business process activity are negatively related.
6.If output value tends to the knowledge value, the substitute degree will be lower.
7.If the degree of substitution of business activity is lower, the business activity is very crucial, and added value is higher, the company is on higher network position.
8.The network position will affect relationship of members.
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