Cooperative Innovation in the Medical Supply Chain Based on User Feedback

Table 1

Nomenclature.

Symbol means
I	Government subsidy
X	Demand
G	Innovation level of medical services
p	Retail price
σ	Random interference coefficient
ε	Demand error
W	Standard wiener process
j	Commission rate
ρ	Discount rate
α	Cost-effectiveness of the medical products
L	Innovation level of new products
β	Cost-effectiveness of medical services
χ1	Effectiveness of feedback from patients
χ2	Effectiveness of feedback from the hospital
δ	Impact of medical products on demand
γ	Impact of medical services on demand
n	Profit ratio for the medical manufacturer