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Promotion Policies for Electric Vehicle Diffusion in China Considering Dynamic Consumer Preferences: A Network-Based
1School of Economics and Management, Wuhan University, Wuhan 430072, China.
Summary
Policies promoting electric vehicle (EV) adoption are crucial for sustainability. This study models EV diffusion dynamics, finding that network size and policy type significantly influence adoption rates and effectiveness.
Area of Science:
- Environmental Science
- Economics
- Sociology
Background:
- Understanding electric vehicle (EV) diffusion is vital for sustainable development.
- Previous research has often overlooked the impact of consumer preferences on EV adoption dynamics.
Purpose of the Study:
- To develop a network-based evolutionary game model that incorporates dynamic consumer preferences to analyze EV diffusion.
- To simulate and compare the effectiveness of various policies aimed at promoting EV adoption.
Main Methods:
- Construction of a network-based evolutionary game model with dynamic consumer preferences.
- Numerical simulations to analyze the impact of carbon taxes, production subsidies, purchase subsidies, and information policies.
- Exploration of differentiated effects between supply-side and demand-side policies.
Main Results:
- Policy effectiveness is sensitive to manufacturer network size; larger networks stabilize diffusion rates.
- Supply-side policies (carbon taxes, subsidies) promote steady EV diffusion, with subsidies showing sustained effectiveness.
- Purchase subsidies are more effective early in diffusion than production subsidies, though demand-side policies carry uncertainty.
- Information policy has a significant long-term impact on EV diffusion trends.
Conclusions:
- Policy design must consider network structures and the timing of implementation for optimal EV diffusion.
- A combination of supply-side and demand-side policies, tailored to diffusion stages, can accelerate EV adoption.
- Information dissemination is a crucial long-term strategy for sustained EV market growth.
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