再生可能エネルギーと経済成長の関係における媒介経路としての都市化：G20諸国の視点

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🔬研究者:Provides empirical evidence on the mediating role of urbanization in the renewable energy-growth nexus, useful for further research on energy transitions and development.

🏢実務担当者:Highlights the importance of aligning corporate renewable energy investments with urban development strategies, potentially informing location decisions and community engagement.

🏛政策担当者:Suggests that urban planning and renewable energy policies should be coordinated to maximize economic benefits, relevant for national and local climate action plans.

<title>Abstract</title> <p>While a good deal of research explores how renewable energy relates to economic growth, we still know surprisingly little about the exact pathway through which cleaner energy raises people's incomes. This study examines whether urbanisation plays a mediating role between renewable energy use and GDP per capita across 20 G20 nations from 2005 to 2023. Using the Baron-Kenny mediation framework alongside robust second-generation panel econometric tools, it can be seen that roughly 94.6% of renewable energy's long-run growth effect, estimated at 0.285 elasticity, flows indirectly through urbanisation. Notably, this indirect channel is nearly five times stronger in upper-middle-income G20 economies than in wealthier ones. These findings carry a clear policy message: urbanisation is not just a backdrop to clean energy transitions but is arguably their most powerful income-generating mechanism, especially in rapidly growing economies where city expansion and energy planning remain poorly coordinated.</p>

• Research Square https://doi.org/10.21203/rs.3.rs-9682006/v1first seen 2026-09-01 04:43:47 · last seen 2026-09-14 04:19:32
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