In addition, the Grads Field Price Effect Model put forward by Zen Fanyin is modified. 此外,对曾凡银提出的绿色壁垒价格梯度场模型进行了修正,通过对修正模型的分析,验证了绿色壁垒在价格上对关税壁垒的替代效应。
More specifically, in the context of agency theory, we question the existence of a substitutability effect regarding monitoringactivities by external board members. 尤其在代理理论的背景下,就外部委员会成员的监督活动而言,我们对替代效应的存在表示怀疑。