Research on interaction of innovation spillovers in the AI, Fin-Tech, and IoT industries: considering structural changes accelerated by COVID-19

Financial Innovation

Table 3 Correlation matrix of the main research variables

	(\({R}_{i}-{R}_{f}\))	(\({R}_{m}-{R}_{f}\))	BMR	SIZE	\({\sigma }_{i,AI}^{2}\)	\({\sigma }_{i,Fin-Tech}^{2}\)	ASSET
(\({R}_{i}-{R}_{f})\)	1.000000	0.012630	− 0.216441	0.008475	0.001052	0.000862	0.004228
(\({R}_{m}-{R}_{f})\)		1.000000	− 0.039362	− 0.007233	− 0.000939	− 0.000770	− 0.002484
BMR			1.000000	− 0.012678	− 0.003910	− 0.003174	− 0.016770
SIZE				1.000000	0.023223	0.012507	− 0.001703
\({\sigma }_{i,AI}^{2}\)					1.000000	0.746141	− 0.000220
\({\sigma }_{i,Fin-Tech}^{2}\)						1.000000	− 0.000181
ASSET							1.000000