Research on Supply Chain Information Transparency Mechanism Based on Blockchain

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The initial value setting of the parameter

Parameter	Initial value	Parameter	Initial value
En	1	θ	0.7
qnn′c	0.9	δc	1
qnn′p	0.2	δp	0.8
α	0.5	η	5
ρ	2	μ	0.6

Strategy 3 test parameter numerical setting

Parameter	Test 1	Test 2	Test 3	Test 4	Test 5	Test 6
θ	-1.5	-1.5	-1.5	-1	-1	-1
P	0.4	0.6	0.8	0.4	0.6	0.8

Payoff Matrix

Pay		Subcontractor
		Sharing (y)	Nonsharing (1−y)
General Contractor	Sharing (x)	Ea + λaθbIb − Ca, Eb + λbθaIa − Cb	Ea + Aa − Caa, Eb + φbθaIa
	Nonsharing (1−x)	Ea + φaθbIb, Eb + Ab − Cbb	Ea, Eb

Strategy 2 test parameter numerical setting

Parameter	Test 1	Test 2	Test 3	Test 4	Test 5	Test 6
θ	1.3	1.3	1.3	0.9	0.9	0.9
P	0.4	0.6	0.8	0.4	0.6	0.8

Stability analysis of equilibrium point

Equilibrium Point	det J	tr J	Stability
O(0, 0)	+	-	ESS
A(1, 0)	+	+	Instability
B(0, 1)	+	+	Instability
C(1, 1)	+	-	ESS
D(x*,y*)	-	0	Saddle Point

Strategy 4 parameter initialization

Parameter	Initial value	Parameter	Initial value
En	1	δc	1.4
qnn′c	0.7	δp	1
qnn′p	0.4	η	6
α	0.5	μ	0.6
ρ	2

Variable initial value

Variable	q1	q2	α1	α2	μ	m	n	θ	C1	C2
Initial Value	18	12	0.5	0.3	1.2	3	1.8	2	10	9

Strategy 3 parameter initialization

Parameter	Initial value	Parameter	Initial value
En	1	δc	1.3
qnn′c	0.8	δp	1
qnn′p	0.2	η	4
α	0.5	μ	0.4
ρ	4