Media Sentiment, Government Supervision Strategy, and Stock Price Fluctuation Risk

Table 1

Benchmark values of parameters.

Parameter	Description	Benchmark value	Range of value
	The probability that infectious stocks spread stock price fluctuation risk under the influence of media sentiment	0.3	[0, 1]
	The probability that infectious stocks spread stock price fluctuation risk under the influence of government supervision strategy	0.2	[0, 1]
	The probability of susceptible stocks changing into recovered stocks directly	0.2	[0, 1]
	The probability of infectious stocks changing into recovered stocks	0.2	[0, 1]
	The probability of new stocks entering the stock market	0.1	[0, 1]
	The probability of stocks exiting stock market	0.1	[0, 1]
	The number of susceptible stocks entering the stock market in each time period	20	Positive integer
	The number of related relationships in each newly added susceptible stock	20	Positive integer
	Probability of association between susceptible stocks and existing infectious stocks by random connection	0.2	[0, 1]
	Degree of existing stocks	500	Positive integer
	The total number of stocks in stock association network	500	Positive integer
	Media sentiment tendency	0.4	[0, 1]
	Media sentiment intensity	0.3	[0, 1]
	Media attention persistence	0.2	[0, 1]
	Government supervision strength	0.3	[0, 1]
	Government supervision persistence	0.2	[0, 1]
	Government supervision timeliness	0.1	[0, 1]
	Market noise	0.3	[0, 1]
	The comprehensive contagion rate of stock price fluctuation risk under the interaction of media sentiment and government supervision strategy	—	[0, 1]