Table 5 Robust staggered DID estimates.

From: Does vertical supervision enhance labor productivity? Evidence from China’s central environmental protection inspection

Panel A: De Chaisemartin and d’Haultfoeuille’s (2020) method

Dependent Variable

LP

CEPI

0.026**

 

(2.36)

Controls

Yes

Panel B: Callaway and Sant’Anna’s (2021) method

Dependent Variable

LP

CEPI

0.340**

 

(2.05)

Controls

Yes

Panel C: Borusyak’s (2024) method

Dependent Variable

LP

CEPI

0.059***

 

(4.55)

Controls

Yes

  1. T values are reported in parentheses.
  2. Coefficients marked with **, and *** are significant at 5%, and 1%, respectively.
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