Does Patent Help to Build Investment Portfolio of China A-Shares under China-US Trade Conflict?

Table 3

Number of PLIs and PKIs for financial indicators.

Financial indicator	PLI & PKI	Lag
		Lag = 1	Lag = 2	Lag = 3	Lag = 4
Stock price	Number of PLIs	369	408	127	74
	Number of PKIs	29
ROA	Number of PLIs	305	258	162	148
	Number of PKIs	92
ROE	Number of PLIs	165	107	95	89
	Number of PKIs	56