Information Sharing and Channel Construction of Supply Chain under Asymmetric Demand Information

Table 1

Comparison results between single-channel and double-channel supply chains.

	Double-channel supply chains	Relationship	Single-channel supply chains
𝑝𝑟	𝐴𝑎(2−𝑒)24−8𝑟−12𝑒𝑟+11𝑒𝑟^2−2𝑒𝑟^3−8𝑟^2+2𝑟^3	<	𝑎(6−𝑒𝑟)(2−𝑒)16−4𝑒𝑟
𝑝𝑑	𝐴𝑎(2−𝑒)(2−𝑟)(2𝑟−3𝑒𝑟+8)	/	/
𝑝𝑒	𝐴𝑎(2−𝑟)^2(2𝑟−3𝑒𝑟+8)	<	𝑎4+𝑎(2−𝑟)8−2𝑒𝑟
𝜔	2𝐴𝑎(2−𝑒)(2−𝑟)2𝑟−3𝑒𝑟+𝑒𝑟^2−𝑟^2+4		2𝑎−𝑎𝑒4
𝑞𝑟	𝐴𝑎(2−𝑒)𝑒𝑟^2−8𝑟+8	<	2𝑎−𝑎𝑒2(4−𝑒𝑟)
𝑞𝑑	𝐴𝑎(2−𝑒)(2−𝑟)(2𝑟−3𝑒𝑟+8)	/	/
𝑞𝑒	𝐴𝑎(2−𝑟)^2(2𝑟−3𝑒𝑟+8)	<	8𝑎−𝑎𝑒𝑟−2𝑎𝑟4(4−𝑒𝑟)
𝜋𝑀	𝐴𝑎^2(2−𝑒)^2(2−𝑟)(6−𝑟)2	>	𝑎^2(2−𝑒)^232−8𝑒𝑟
𝜋𝑅	𝐴^2𝑎^2(2−𝑒)^2𝑒𝑟^2−8𝑟+8^2	<	𝑎^2(2−𝑒)^24(4−𝑒𝑟)^2
𝜋𝐸	𝐴^2𝑎^2(𝑟−2)^4(2𝑟−3𝑒𝑟+8)^2−𝐼	<	𝑎^28−2𝑟−𝑒𝑟4(4−𝑒𝑟)^2−𝐼