Sourcing for Quality: Cooperating with a Single Supplier or Developing Two Competing Suppliers?

Table 3

Effect of key parameters on the equilibrium outcomes in the single-sourcing case.

Case  1	⁢,
	≥0	≥0	≥0	≥0	≥0 for	≥0
					≤0 for
	≤0	≤0	≤0	≤0	≥0 for	≥0 for
					≤0 for	≤0 for
Case  2	⁢,
	≤0	≤0	≤0	≤0	≥0 for	≤0
					≤0 for
	≥0	≥0	≥0	≥0	≥0 for	≤0
					≤0 for
Case  3	⁢,
	≥0	≥0	≥0	≥0	≥0 for	≥0
					≤0 for
	≤0	≤0	≤0	≤0	≥0 for	≥0
					≤0 for

Note: definitions of notations , , , and are presented in online supplements.