parameters | Description of each parameter |
---|---|
\(w\) | Wholesale price of products sold by cross-border suppliers to cross-border e-commerce enterprises |
\(r\) | Cross-border suppliers mark up their products and sell them to retailers |
\(P1\) | Price of cross-border e-commerce online channel products (domestic delivery) |
\(P2\) | Cross-border e-commerce offline channel product price (offline physical store) |
\(T\) | Stipulated delivery time of products sold by cross-border e-commerce through online channels |
\(t\) | Actual arrival time of cross-border e-commerce products sold through online channels |
\(\alpha\) | The estimated utility of a product by a consumer means that the consumer has estimated the quality, material and other characteristics of the product before receiving the product |
\(\lambda\) | The consumer's use experience of the product indicates the impact of contact with the product on the estimated value of the product, \(0 \le \lambda \le 1\) |
\(S_{1}\) | Consumers' satisfaction of purchasing products through cross-border e-commerce online channels |
\(S_{2}\) | Consumers' satisfaction of purchasing products through cross-border e-commerce offline channels |
\(\eta\) | Consumer sensitivity index of cross-border logistics speed, \(0 < \eta < 1\) |
\(\beta\) | When consumers purchase cross-border products offline, the inconvenience costs such as time and travel caused by the distance are too far, \(\beta > 1\) |
\(a\) | Tariff cost in the process of cross-border product transportation |
\(b\) | Unit penalty cost of cross-border products not arriving on schedule, \(b > 1\) |
\(k\) | Product storage service cost coefficient |
\(\theta\) | The cost ratio of online channel to offline channel |
\(z\) | Proportion of revenue shared by offline channels to online channels |
\(Q_{1}\) | Consumer demand for online channels of cross-border products |
\(Q_{2}\) | Consumer demand for offline channels of cross-border products |
\(\pi_{sc}\) | Supply chain system profit |
\(\pi_{1}\) | Online channel profit of cross-border e-commerce |
\(\pi_{2}\) | Cross-border e-commerce offline channel profit |