一、市盈率的实证分析对市盈率度量的简单方法是算术平均和加权平均,其中加权平均法有股权加权平均法和市值加权平均法,由于其难度和工作量太大,本文根据研究目的,以算术平均法加以粗略计算。由于股票市场价格与每股收益具有不确定性,市盈率处于一种动态变化之中,为考察方便,特 First, the empirical analysis of the price-earnings ratio The simple method of measuring the price-earnings ratio is the arithmetic average and weighted average, of which the weighted average method with equity weighted average and market capitalization weighted average method, due to its difficulty and workload is too large, this paper according to the purpose of the study, The average method is roughly calculated. As the stock market price and earnings per share with uncertainty, price-earnings ratio is in a dynamic change for the convenience of inspection, special