[Retracted] A Supply Chain Model Based on Data-Driven Demand Uncertainty under the Influence of Carbon Tax Policy

Table 1

Variable parameter definitions.

Variable parameters	Definition
G1	The amount of carbon emitted per unit of product that a retailer buys from a supplier
G2	The amount of carbon emitted per unit of product that a retailer sells to a customer
V	The lowest tolerance of a retailer's profit
P	The unit price of a product that a retailer sells to a customer
E	Unit carbon tax
W	The maximum quantity of the product that the supplier can provide
M	The maximum volume of a retailer's inventory
h1	The distance between the retailer and the supplier
h2	The distance between the retailer and the customer
f	The maximum volume of a single shipment
Os	The transportation cost per unit of distance
Oc	Fixed costs incurred per shipment
Or	The disposal cost per unit of returned product
β	Vague requirements for products
l	The cost per unit of surplus product
K	The cost per unit of the out-of-stock product
O1	The storage cost per unit of product
O2	The storage cost per unit of returned product
Nr	The number of returned products to be disposed of
Ot	The cost of purchasing a unit's product from a supplier
Nt	The quantity of products purchased from suppliers by retailers