Table 1 List of variable definitions.

From: Carbon risk and labor investment efficiency

Variable code

variable name

variable measure

Abresid

efficiency of labor investment

Absolute value of model 1 residuals

Risk

carbon risk

Carbon emissions/Operating income

Size

the size of the enterprise

The logarithm of total assets

Age

years of enterprise

Year of observation - year of establishment

Lev

asset leverage ratio

Total liabilities to total assets

Roa

return on assets

Net profit to total assets

Cfo

cash flow ratio

Net cash flows from operating activities to total assets

Bm

book-to-market ratio

Total assets to market capitalization

Mhold

management shareholding

Number of shares held by directors and supervisors to total shares

Dual

combining the CEO and Chairman

1 for CEO as chairman, and 0 for others