Variable Type

Variable Symbol

Variable Measure

Dependent Variable

EO

See text formula(4)

Dependent Variable

XXZSGX

Health index of the government-business relationship at city level

Close

Close index of the government-business relationship at the city level

Unsullied

Unsullied index of the government-business relationship at the city level

Control Variables

Asset

The natural log of a firm’s total assets

Lev

Total liabilities divided by total assets

Roa

Net profit divided by total assets

CF

Divide operating cash flow by total assets

Growth

Growth rate of total assets of enterprises

Dual

If the general manager and chairman are the same, the value is 1; otherwise, it is 0

First

The proportion of the number of shares held by the largest shareholder to the total share capital

Indep

The proportion of independent directors in the board of directors of an enterprise