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Variable | Symbol | Definition |
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Dependent variable | SA index | SA | −0.737 × SIZE + 0.043 × SIZE2 − 0.04 × AGE |
WW index | WW | −0.091 × CF1 − 0.062 × DIVPOS + 0.021 × TLTD − 0.044 × LNTA + 0.102 × ISG − 0.035 × SG |
KZ index | KZ | −1.00191 × CF2 + 3.13919 × TLTD − 39.36780 × TDIV − 1.31476 × CASH + 0.28264 × Tobin’s Q |
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Independent variable | Signing auditor reputational promotion | Auditor | A dummy variable that is assigned a value of 3 if the signing auditor won the honorary title of senior CPA in 2010, 2 if the auditor won in 2015, 1 if the auditor won in 2017, and 0 otherwise |
Moderator variable | Big Four accounting firms in the world | BIG4 | A dummy variable that is assigned a value of 1 when the accounting firm is one of the BIG4 firms and 0 otherwise |
Enterprise scale | SIZE | Natural logarithm of the total assets of an enterprise at the end of the period |
The nature of enterprise property rights | SOE | A dummy variable, which is assigned a value of 1 if the enterprise is state-owned and 0 otherwise |
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Control variable | Ratio of liabilities to assets | LEV | Total liabilities/total assets |
Cash flow from operations | CFO | Net cash flow from operating activities/total assets |
Corporate growth | Tobin’s Q | (Market value of equity + market value of net debt)/total assets at the end of the period |
Return on assets | ROA | Net profit/total average assets |
Company age | AGE | The natural logarithm of the number of years the company has been established |
Shareholding ratio of the largest shareholder | TOP1 | Shareholding ratio of the largest shareholder disclosed in the corporate annual report |
Board of directors | BSIZE | The natural logarithm of the number of board members of a company |
Independent directors | OUTDIR | Number of independent directors/total number of directors |
Duality of general manager and chairman | DUAL | A dummy variable, which is assigned a value of 1 when the chairman and the general manager are the same person and 0 otherwise |
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