Table 1 Variable definition.

From: ESG performance, digital transformation, and green innovation

Variable symbol

Variable

Variable definition

ESG

ESG score

SNSI ESG scores

GI

Green innovation

ln (number of green inventions independently filed in the year + number of green utility models independently filed in the year + 1)

DT

Digital transformation

ln (DTA + IM + MIS + 1)

Listdt

Listing age

ln (listing year − accounting year + 1)

Scale

Enterprise scale

ln (total assets)

LEV

Debt-to-asset ratio

Total liabilities/total assets

TA

Ratio of tangible assets

Total tangible assets/total assets

ROA

ROA

Net profit/total assets balance

NOPM

NOPM

Net profit/revenue

Grown

Net profit growth rate

(net profit for the current year − net profit for the same period of the previous year)/absolute value of net profit for the same period of the previous year

HHI

HHI

HHI = sum [(individual company’s main business income/total main business income of the industry it belongs to)2]

TobinQ

TobinQ

Market value/total assets

TR

TR

Yearly turnover of individual stocks/yearly outstanding market capitalization of individual stocks

Betavals

Consolidated market annual beta

Covariance (asset’s returns, market returns)/variation of the market return

Shrcr

Shareholding concentration

Sum of shareholdings of the company’s top five largest shareholders

Grant

Government grants

Number of government grants breakdown items for the period (in billions)

Company

Individual fixed effect

Individual fixed effect

Year

Year fixed effect

Year fixed effect