The limitation is that the estimate procedure is pooled OLS, without considering the fixed effect and random effect in the panel data.
局限在于,在实证分析中采用混同OLS估计方法,没有考虑面板数据的固定效应和随机效应,这将是进一步研究的方向。
参考来源 - 公司债券市场的流动性指标比较·2,447,543篇论文数据，部分数据来源于NoteExpress
Considering the distinguishing feature of diverse companies, sensitive analysis is processed with random-effect panel data model.
在考虑公司个体特点的基础上，运用随机效应影响的面板模型进行了敏感性分析。
The assignment of candidates to types of job is, in effect, random.
实际上，对求职者工作类型的安排完全是随机的。
However, although such statistics may be superficially appealing, this could easily be a random effect.
然而，这些统计数据在表面上看来可能引人入胜，但是它可能仅仅是随机的效应。
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