Offline and Online Channel Selection of Low-Carbon Supply Chain under Carbon Trading Market

Table 1

Mathematical notations.

Notations	Meaning
	The manufacturer’s unit production cost
	Unit offline wholesale price
	Unit online retail price
	Unit offline retail price
	Carbon price in the carbon trading market
	The manufacturer’s carbon emission before process improvements
	The manufacturer’s carbon emission after process improvements
	Elastic coefficient of carbon emission reduction cost
	Elastic coefficient of service cost
	Promotion effort level coefficient
	Commission rate
	The platform’s sales service level
	The retailer’s promotion effort level
	Product market scale, a large enough positive number
	Sensitivity coefficient to the product price
	Sensitivity coefficient to the product service
	Carbon market scale
	Sensitivity coefficient to the carbon price