Research Article

Green Credit, Financial Ecological Environment, and Investment Efficiency

Table 1

Main definitions of variables.

VariableSymbolDefinition

Investment efficiencyAbsinvestAccording to the absolute value of the residual of the regression model, the larger the value gets, the lower the investment efficiency and the higher the nonefficient investment are
Is it heavily polluting enterprise?PollutionDummy variable, Pollution = 1, which indicates heavily polluting enterprise; Pollution = 0, which indicates non-heavily polluting enterprise
Policy implementation timeAfterDummy variable, After = 1, which indicates 2012 and subsequent years; After = 0 which indicates 2011 and previous years
Difference-in-differences variablePollution × AfterThe product of Pollution and After indicates the net effect of policy implementation
Financial ecology environmentFeDummy variable, Findex = 1, which indicates the regional financial ecology environment is relatively good; Findex = 0, which indicates the regional financial ecology environment is relatively bad
Corporate sizeSizeThe logarithm of enterprise’s total assets
Total asset return rateRoaNet profit/total assets
Sales growth rateGrowth(The current amount of business revenue of the current year − the synchronous amount of business revenue of last year)/the synchronous amount of business revenue of last year
Total assets turnoverTatBusiness revenue/(total asset + final balance of initial balance)/2
Proportion of independent directorsIdsNumber of independent directors/number of directors
Firm’s ageAgeThe logarithm of the enterprise’s listed years