Coordination Strategy of the Supply Chain with Consumer Preferences under the “Presale and Spot-Sale” Mode

Table 1

The description of the symbols.

Symbol		Description
Subscript		Retailer
		Third party presale platform
		Overall supply chain
		Informed consumers who buy products during the presale period
		Informed consumers who buy products during the spot-sale period
		Uninformed consumers who buy products during the spot-sale period
Superscript		Spot-sale model
		Presale model
		Decentralized decision-making model under the “presale and spot-sale” mode
		Centralized decision-making model under the “presale and spot-sale” mode
		Supply chain coordination strategy
Decision variables		indicates the price of the product for the presale period and the spot period, respectively
		Unit product commission charged by the third-party presale platform
General variables		, the supply chain can meet the demand of class consumers, that is, the actual purchases of class consumers
		, representing consumer utility for consumers
		Consumer reservation price
		representing the profit of the retailer and third-party presale platforms
Constant parameters		Proportion of informed consumers in the market
		Cross-period discount