| Summary: | 碩士 === 中華大學 === 經營管理研究所 === 96 === Chunghwa Telecom and five private mobile communication operators operate mobile communication service after opens in Taiwan. Except operators merger mutually, the 3G operators join so that make the domestic mobile communication service market appears abundant management even more.
The research uses “Structure-Conduct-Performances (S-C-P)” theory of Mason-Bain in industry economics, probe into market structure, factories behaviors and operation performance of mobile communication industry in Taiwan. Regard four-firm Concentration Ratio (CR4) and Herfindahl-Hirschman Index (HHI) as index of weighing market concentration. Then use of important index sign of the finance performance evaluation from the finance, and adopt to calculate an economic analysis method, build up the market performance that the mode of the substantial evidence analysis measures mobile communication service industry in Taiwan.
From the research that discover：(1) Large factories become larger. (2) Operator with the novel advertisement skill, develop the exaltation of expenses and promote the level of the system technique etc. , manufacturer behavior method to satisfy a higher need of consumer. (3) Factories focus on improving the Average Revenue Per User (ARPU), transferring operation center to 3G business, and expecting to increase higher profits.
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