Table 5 Formula of CSR

 Gao & Zhou (2008)

(Dividend Paid in Cash + Interest Paid in Cash + Cash Paid to Employee and for Employee + Cash Paid to Customer + Cash Paid for Goods Purchased and Labor Services Received + Actual Tax Paid)/ Prime Operating Revenue

 Zhang & Liang (2012)

(Dividend Paid in Cash + Interest Paid in Cash + Cash Paid to Employee and for Employee + Cash Paid to Customer + Cash Paid for Goods Purchased and Labor Services Received + Actual Tax Paid + Donation)/ Prime Operating Revenue

 Cao & Yu [2013]

(Tax Payments—Tax Returns + Cash Paid to Employee and for Employee + Dividend Paid in Cash + Interest Paid in Cash + Notes Payable + Accounts Payable)/ Prime Operating Revenue