The article begins with the analysis of the character of the MP3 industry based on the theory of contestable markets to explain why many medium or small-sized e...

• 文章通过分析MP3产业特征,根据可竞争市场理论解释中小企业频繁进入和退出MP3产业的现象,对该产业的发展趋势进行预测,并提出政策建议。