カントリーリスク、金融発展、再生可能エネルギー消費:G20諸国からの証拠
Country Risk, Financial Development, And Renewable Energy Consumption: Evidence from G20 Countries (原題)
Wahyu Nugroho, Rossanto Dwi Handoyo
🤖 gxceed AI 要約
日本語
G20の18カ国・1992〜2021年のパネルデータ(540観測)を用い、カントリーリスク(ICRG)と金融発展が再生可能エネルギー消費に与える影響を分析。固定効果と平均群(MG)推計の結果、金融発展は再エネ消費に有意な負の効果(β=−4.433**)を示し、既存金融システムが化石燃料志向を温存する「金融インカンベンシー仮説」を支持。合成リスクは非有意で集計バイアスが示唆され、CO2排出は一貫して有意な負の効果(β=−1.403***)を持ち、カーボンロックインが普遍的障壁であることを確認した。
English
Using panel data from 18 G20 countries (1992–2021, 540 observations), this study examines how country risk (ICRG) and financial development affect renewable energy consumption. Financial development shows a significant negative effect (β=−4.433**), supporting the financial incumbency hypothesis, while composite risk is insignificant due to aggregation bias. CO2 emissions consistently show a significant negative effect (β=−1.403***), confirming carbon lock-in as a universal barrier.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
日本はG20の一員であり、金融発展が再エネ普及を阻害するという知見は、国内のトランジションファイナンス政策や化石燃料依存からの脱却を議論する上で示唆に富む。SSBJや有報での気候関連開示を進める企業にとって、金融システムの慣性が再エネ投資を遅らせる構造を理解する材料となる。
In the global GX context
This paper adds to global transition finance scholarship by empirically demonstrating that financial development can entrench fossil fuel financing in G20 economies, challenging assumptions behind green finance policies. It underscores the need for disclosure frameworks (TCFD/ISSB) to address financial incumbency and carbon lock-in as systemic barriers to renewable energy transition.
👥 読者別の含意
🔬研究者:金融発展と再エネ消費の負の関係や集計バイアスの実証手法は、パネル推計やリスク指標の扱いを検討する研究者に有用。
🏢実務担当者:金融システムの慣性が再エネ調達やトランジション投資の障壁になり得る点を理解し、調達戦略や資金調達計画に反映できる。
🏛政策担当者:金融発展が必ずしも再エネ普及に直結しないという証拠は、グリーンファイナンス政策やカーボンロックイン対策の設計に示唆を与える。
📄 Abstract(原文)
Background: The global energy transition toward renewable energy sources remains constrained by complex institutional, financial, and geopolitical barriers, particularly among G20 economies that collectively contribute more than 75% of global CO₂ emissions. Despite recent growth in renewable energy investment, the share of renewable energy in total final energy consumption across G20 countries remains heterogeneous and unevenly distributed, reflecting structural differences in financial system maturity, political risk environments, and fossil energy path dependencies. Objective: This study analyzes the effects of country risk measured through the International Country Risk Guide (ICRG) composite index and financial development on renewable energy consumption across 18 G20 member countries over 1992–2021 (540 observations). Method: Employing fixed-effects panel regression as a baseline and Mean Group Estimator (MG) as the primary estimator, the study yields three key findings. Results: First, financial development exerts a significant negative effect on renewable energy consumption (β = −4.433**), contrary to conventional expectations, confirming the dominance of the financial incumbency hypothesis in the G20 context an entrenched financial system perpetuates fossil fuel financing orientation. Second, composite risk is insignificant, confirming aggregation bias in composite risk indices that conceals individual risk dimension effects. Third, CO2 emissions exert a highly significant negative effect (β = −1.403***) as the only variable consistent across all estimations, confirming carbon lock-in as a universal barrier to energy transition. Conclusion: The reversal of the financial development coefficient from a statistically insignificant positive estimate in OLS FE (β = 8.328, t = 1.32) to a significant negative estimate in MG (−4.433**) empirically demonstrates the aggregation bias consequences concealed in homogeneous panel estimators.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.59261/inkubis.v8i3.297first seen 2026-10-05 05:18:57
🔔 こうした論文の新着を逃したくない方は キーワードアラート に登録(無料・3キーワードまで)。
gxceed は公開メタデータに基づく研究支援データセットです。要約・翻訳・解説は AI 支援で生成されています。 最終的な解釈・検証は利用者が原典資料に基づいて行うことを前提とします。