市盈率计算方法、信息含义及其适用范围的统计研究

市盈率因其结构简单、易懂易学、数据易取得，在我国的价值评估和投资决策中广泛应用。市盈率有多种不同的计算方法，不同计算方法的含义不尽相同，致使市盈率的使用并不简单。为更好运用市盈率，本文比较研究了市盈率不同计算方法下的结果差异、决策信息含义以及适用范围，以期为认识及应用市盈率提供参考。

Statistic Research on Count Methods, Information Meanings and Apply Scope of Price-Earnings Ratio

P-E ratio has been applied in value evaluation and investment decision in our country broadly,but it has different count methods,and different method has different meanings,which make application of P-E ratio is not easy. In order to use P-E ratio better,this paper compared results of different count method,information meanings and apply scope of P-E ratio,and hoped that it can provide references for the understanding and application of P-E ratio.