封锁政策对中国城市内部及城市间COVID-19传播的影响：基于异质性处理效应的研究

A tale of lockdown policies on the transmission of COVID-19 within and between Chinese cities: A study based on heterogeneous treatment effect

• Jingjing Li
• Wei Zou · 武汉大学
• Chu Zhuang · 马里兰大学 通讯