With the improvement of social environmental awareness, the dual-channel green product sales mode has been widely used by\nmany manufacturing firms. In this paper, we consider a dual-channel green supply chain where one manufacturer produces a\ngreen product and sells it through one retail channel and its own direct channel. Consumers in the two channels have different\nperceptions of the product energy efficiency level due to different purchasing experiences. The product energy efficiency level\nevolves over time and is characterized as a dynamic variable. By developing and solving the Stackelberg differential game problems\nunder the dynamic and static wholesale pricing strategies, respectively, we obtain the main results in this paper. First, the\nmanufacturer has more incentives to invest in green innovation when more consumers buy the green product through the direct\nchannel. Second, the manufacturer prefers to adopt the dynamic wholesale pricing strategy in most cases and prefers the static one\nonly when the consumers in both channels have relatively high energy efficiency perceptions. By introducing the transfer payment\ncontract, we show that the static wholesale pricing strategy may be the better choice, which leads to a win-win outcome for both\nmembers. Finally, sensitivity analysis further provides some managerial insights and verifies the robustness of the results.
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