Table 3

Variables and definitions

VariablesDefinition and measurement
ΔLnpatentThe logarithm of patent applications in the second year following the acquisition minus the logarithm of patent applications in the year prior to the acquisition
In China, patent applications are disaggregated into invention, utility, and design types. Respectively, we use the logarithm of each type of patent applications in the second year following the acquisition minus the logarithm of this type of patent applications, i.e. ΔLnpatent1, ΔLnpatent2, and ΔLnpatent3 to represent changes in these three types of patent applications
ReformDummy variable, equals to 1 if a private firm acquires state ownership in the year, otherwise 0
POLDummy variable, equals to 1 if the CEO or chairman has served as a Communist Party, government, or military officer, has been a People’s Congress, or the Chinese People’s Political Consultative Conference member, otherwise it is 0
BCDummy variable, equals to 1 the firm holds a bank’s shares, or the bank holds the firm’s shares, any firm executive has a banking background, or a bank executive is also firm executive, otherwise 0
lnageNatural logarithm of the company’s listing years
LnsizeNatural logarithm of the company’s total assets
Growth(Operating income of the current period minus operating income of the previous period) divided by operating income of the previous period
PowerOperating income divided by operating cost
RoANet profit divided by net assets
LevTotal liabilities divided by total assets
IndroThe ratio of independent directors to the board of directors
LnboardThe total number of board members takes the natural logarithm
RatioPercentage of acquired shares of SOEs

Note(s): Table by authors

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