An Investigation of the Initial Recovery Time of Chinese Enterprises Affected by COVID-19 Using an Accelerated Failure Time Model.

For manufacturing and non-manufacturing industries, as shown in Figure 2 , the instantaneous probability of recovery showed an increasing trend followed by a decrease, and reached a peak at a certain time, which implies the kernel density curves of non-manufacturing and manufacturing industries are closer to the fitted theoretical curves of the Log-logistic distribution or Lognormal distribution.

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These residual plots show no evidence of an obvious trend, thus reasonably demonstrating that the model is adequate for these covariates.

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