本文的主要实证结论如下：开发支出占总资产比不仅能显著解释股票超额回报率，而且对公司盈余质量也具有显著的解释力。

We find that the proportion of development expenditures to total assets can well explain both the abnormal return and the earning quality.

youdao

本文的主要实证结论如下：开发支出占总资产比不仅能显著解释股票超额回报率，而且对公司盈余质量也具有显著的解释力。

We find that the proportion of development expenditures to total assets can well explain both the abnormal return and the earning quality.

youdao