Table 1 Variable definition table.
From: Extreme weather, IT investment, and corporate sustainability
Type | Variable name | Variable symbol | Variable definition |
|---|---|---|---|
Explained variable | Enterprise IT Investment | IT | Total annual IT investment / total assets of the organization |
Explanatory variables | Climate Physical Risk Index | CPRI | The overall degree of climate physical risk of a region |
Extreme Low Temperature Days | LTD | The number of extreme low temperature days in a region during a year | |
Extreme High Temperature Days | HTD | The number of extreme high temperature days in a region during a year | |
Extreme Rainfall Days | ERD | The number of extreme rainfall days in a region during a year | |
Extreme Drought Days | EED | The number of extreme drought days in a region during a year | |
Control variables | Total Assets of the Enterprise | Lnsize | Logarithmic treatment of total business assets |
Enterprise Cash Flow | Cflow | Net cash flows from operating activities / total assets | |
Number of Employees | Lnnumber | Logarithmic treatment of the number of employees in a business | |
Operating Income Growth Rate | Growth | (Net profit of the current year - net profit of the same period of the previous year) / net profit of the same period of the previous year | |
Age of the Enterprise | Age | Age of the enterprise, current year - year of establishment | |
Assets and Liabilities Ratio | Lev | Total liabilities/total assets at the end of the period | |
Two Positions in One | Captial | The general manager and chairman of the board of directors of the same person to serve as a combination of two positions, take 1, otherwise 0 | |
Enterprise Labor Productivity | Labpord | Business revenue/number of employees in business | |
Shareholding Ratio of Top 10 Shareholders | Top10 | Sum of shareholdings of all family members | |
Virtual variables | Industry | Ind | Industry dummy variables |
City | City | City dummy variables | |
Year | Year | Year dummy variable |