具有组群异方差结构的面板数据模型及其应用研究

任燕燕等

The Research of Panel Data Model with Grouped Structural Heteroscedasticity and Its Application

Ren Yanyan et al

统计研究 . 2021, (11): 141 -149 . DOI: 10.19343/j.cnki.11-1302/c.2021.11.011