Supervision Strategy Analysis on Price Discrimination of E-Commerce Company in the Context of Big Data Based on Four-Party Evolutionary Game

Table 2

Game model benefit matrix of government regulatory department, e-commerce platform, e-commerce company, and consumer

Strategy choice		E-commerce company	Government regulatory department
			Strict supervision, r		Loose supervision, 1 − r
			Loyalty y	Disloyalty 1 − y	Loyalty y	Disloyalty 1 − y
E-commerce platform	Information supervision z	Nondifferential pricing x	Pn + Te	Pn	Pn + Te	Pn
			Ul	Ud	Ul	Ud
			W − Cp + Tp	W − Cp	W − Cp + Tp	W − Cp
			S − +R	S −  + R	S	S
		Differential pricing 1 − x	Pd + ∆P + Te − M − Ie − F	Pd − Ie − F	Pd + ∆P + Te − αM − αIe − F	Pd − F
			Ul − ∆P + M + (1 − β)F	Ud	Ul − ∆P − Cc + αM + (1 − β)F	Ud
			W − Cp + βF + Tp	W − Cp + F	W − Cp + βF + Tp	W − Cp + F
			S −  + Ie	S −  + Ie	S + αIe − N	S − N
	Information nonsupervision 1 − z	Nondifferential pricing x	Pn + Te	Pn	Pn + Te	Pn
			Ul	Ud	Ul	Ud
			W + Tp	W	W + Tp	W
			S −  + R	S −  + R	S	S
		Differential pricing 1 − x	Pd + ∆P + Te − M − Ie	Pd − Ie	Pd + ∆P + Te − αM − αIe	Pd
			Ul − ∆P + M	Ud	Ul − ∆P − Cc + αM	Ud
			W − Ip + Tp	W − Ip	W − αIp + Tp	W
			S −  + Ie + Ip	S − +Ie + Ip	S+αIe+αIp − N	S − N