Author: Shanlang Lin; Yanning Qiao; Junpei Huang; Na Yan
Title: Research on the Influence of Effective Distance Between Cities on the Cross-regional Transmission of COVID-19 Document date: 2020_3_30
ID: dxtbp4kd_64
Snippet: The incubation period of the novel coronavirus is the main source of endogeneity. In this paper, we use the lag of effective distance as an instrument variable to address the endogeneity, which is shown in table 4......
Document: The incubation period of the novel coronavirus is the main source of endogeneity. In this paper, we use the lag of effective distance as an instrument variable to address the endogeneity, which is shown in table 4.
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