Table 1 The parameter symbols and meanings.

From: A novel blockchain technology-based supply chain coordination considering classified after-sales services of electronic products

Symbol

Description

Symbol

Description

\(p\)

The retail price

\(k_{0}\)

The initial after-sales rate

\(b\)

The wholesale price

\(g\)

The quality control effect

\(f\)

The quality control level

\(c\)

The production cost of the product

\(Q_{0}\)

The potential market size

\(e\)

The misreporting ratio

\(m\)

The price elasticity coefficient

\(Q\)

The market demand

\(n\)

The quality elasticity coefficient

\(q_{b}\)

The quality standard

\(c_{x2}\)

The replacement cost

\(c_{x1}\)

The maintenance cost

\(l\)

The expected after-sales cost of a problem product

\(q_{x}\)

The quality residual value of the problem product

\(K\)

The after-sales rate

\(c_{0}\)

the unit introduction cost of blockchain technology