Table 3 Variables under investigation... | Emerald Publishing

Table 3

Variables under investigation

Variable	Player	Investigated area	Level of analysis	Use in regression models	Definition
OEM_comp	OEM	Component	General	Independent	Number of OEM’s patents filed from t − 5 to t including component-related keywords
OEM_comp,smart	OEM	Component	Specific	Independent	Number of OEM’s patents filed from t − 5 to t including both component-related and smartphone-related keywords
OEM_focal	OEM	Component	General	Independent	Ratio of OEMcomp on STOCK
OEM_spec	OEM	Component	Specific	Independent	Ratio of OEMcomp, smart on OEMcomp
SUPPLIER_comp	MS	Component	General	Independent	Number of MS’s patents filed from t − 5 to t including component-related keywords
SUPPLIER_comp,smart	MS	Component	Specific	Independent	Number of MS’s patents filed from t − 5 to t including both component-related and smartphone-related keywords
SUPPLIER_focal	MS	Component	General	Independent	Ratio of SUPPLIERcomp on the MS’s patent portfolio
SUPPLIER_spec	MS	Component	Specific	Independent	Ratio of SUPPLIERcomp,smart on SUPPLIERcomp
Dummies	MS	Component		Control for component	Value 1 if the statistical unit is related to the focal component and 0 otherwise
STOCK	OEM	Firm	General	Control for firm	Total number of OEM’s patents filed from t − 5 to t
OEM_smart	OEM	End product	Specific	Control for firm	Number of OEM’s patents filed from t − 5 to t including smartphone-related keywords
OEM_%smart	OEM	End product	Specific	Control for firm	Ratio of OEMsmart on STOCK
%Market_share	OEM	Firm		Control for firm	Market share reached in the quarter preceding the launch date of the smartphone
Total_score	OEM	End product		Dependent	Market satisfaction collected from alaTest.com

Variable	Player	Investigatedarea	Level ofanalysis	Use in regressionmodels	Definition
OEM_comp	OEM	Component	General	Independent	Number of OEM’s patents filed from t − 5 to t including component-related keywords
OEM_comp,smart	OEM	Component	Specific	Independent	Number of OEM’s patents filed from t − 5 to t including both component-related and smartphone-related keywords
OEM_focal	OEM	Component	General	Independent	Ratio of OEMcomp on STOCK
OEM_spec	OEM	Component	Specific	Independent	Ratio of OEMcomp, smart on OEMcomp
SUPPLIER_comp	MS	Component	General	Independent	Number of MS’s patents filed from t − 5 to t including component-related keywords
SUPPLIER_comp,smart	MS	Component	Specific	Independent	Number of MS’s patents filed from t − 5 to t including both component-related and smartphone-related keywords
SUPPLIER_focal	MS	Component	General	Independent	Ratio of SUPPLIERcomp on the MS’s patent portfolio
SUPPLIER_spec	MS	Component	Specific	Independent	Ratio of SUPPLIERcomp,smart on SUPPLIERcomp
Dummies	MS	Component		Control for component	Value 1 if the statistical unit is related to the focal component and 0 otherwise
STOCK	OEM	Firm	General	Control for firm	Total number of OEM’s patents filed from t − 5 to t
OEM_smart	OEM	End product	Specific	Control for firm	Number of OEM’s patents filed from t − 5 to t including smartphone-related keywords
OEM_%smart	OEM	End product	Specific	Control for firm	Ratio of OEMsmart on STOCK
%Market_share	OEM	Firm		Control for firm	Market share reached in the quarter preceding the launch date of the smartphone
Total_score	OEM	End product		Dependent	Market satisfaction collected from alaTest.com