Research Article

A Bilevel Stochastic Dynamic Programming Model to Assess the Value of Information on Actual Food Quality at Wholesale Markets

Table 1

Parameter settings.

CategoryNotationDescriptionValue

Global settingsThe influence coefficient of quality0.5
Deterioration probability for every unit at every quality level(50%, 50%)
AThe consumer’s demand potential, a scale parameter used to determine the mean of the Poisson distribution (ton)5
Mean of the market price (yuan per ton)5000
The probability of price keeping the same85%
The number of steps that cover the price’s range6
Price’s step size (yuan per ton)500

Cost parametersWholesaler’s purchasing cost (yuan per ton)3000
RPThe retailer’s selling price (yuan per ton)10000
The wholesaler’s salvage value (yuan per ton)1500
The retailer’s salvage value (yuan per ton)500
Penalty cost for the wholesaler (yuan per ton)500
Ordering cost (yuan)10000
Holding cost per unit per day (yuan per ton per day)10