Emergency Volunteer Participation in the Evolutionary Game of Public Security Governance under Community Incentives

Table 2

Symbols and variable descriptions.

Parameter	Description
	The probability that the community is a high-risk community
	The community encourages the input of volunteers
	The degree of active involvement of volunteers
	Unit cost of volunteer services
	Unit benefits of community receiving volunteer services
	Probability of community choice incentives
	Probability of volunteers choosing to actively participate in the service