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Blended finance and climate outcomes: An empirical study of emerging economies

ブレンデッドファイナンスと気候成果:新興経済国の実証研究 (AI 翻訳)

Ami Hasebe

Journal of Climate Finance📚 査読済 / ジャーナル2026-06-27#気候金融Origin: US経営インパクト: 資金調達対象セクター: power
DOI: 10.1016/j.jclimf.2026.100091
原典: https://doi.org/10.1016/j.jclimf.2026.100091

🤖 gxceed AI 要約

日本語

この研究は、気候変動対策の官民パートナーシップ(PPP)が新興経済国における再生可能エネルギー開発に与える影響を分析。世界銀行、IRENA、Our World in Dataのデータを用いた固定効果モデルにより、ブレンデッドファイナンスが後続の再生可能エネルギー容量増加と有意に関連することを実証。効果は中所得国で顕著であり、初期段階のシステムで触媒的役割を果たすが、市場成熟に伴い補完的になる。タイとラオスの事例研究を通じて動態を例示。

English

This study empirically analyzes how climate public-private partnerships using blended finance affect renewable energy development in emerging economies. Using a fixed-effects model with a harmonized panel dataset, it finds a significant positive association between lagged blended finance and renewable capacity growth, with declining marginal effects as capacity accumulates. The effect is concentrated in lower-middle- and upper-middle-income countries, and case studies of Thailand and Laos illustrate the phase-dependent catalytic role of blended finance in energy transitions.

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

日本のGX政策において、アジアを中心とする新興国へのブレンデッドファイナンス活用は、国際的な排出削減と日本の技術輸出の両面で重要。本研究成果は、日本の国際協力機構(JICA)や日本政策投資銀行(DBJ)の融資戦略に示唆を与える。

In the global GX context

In the global GX context, blended finance is a key tool for mobilizing private capital toward climate goals in developing countries, especially relevant for the Just Transition and Article 6 of the Paris Agreement. The findings support the design of phase-dependent financial instruments for renewable energy deployment, aligning with the work of multilateral development banks and climate funds.

👥 読者別の含意

🔬研究者:Provides empirical evidence on the catalytic effect of blended finance on renewable capacity, useful for studying climate finance effectiveness and energy transition dynamics.

🏢実務担当者:Insights into structuring blended finance mechanisms for early-stage renewable projects in emerging markets to maximize impact and avoid diminishing returns.

🏛政策担当者:Highlights the need to tailor blended finance instruments to a country's development stage and institutional readiness for effective capital mobilization.

📄 Abstract(原文)

This study examines how climate public–private partnerships (PPPs) utilizing blended finance shape renewable energy development in emerging economies. To assess this relationship, this study constructs a harmonized country–year panel dataset integrating project-level infrastructure investments (from the World Bank) with national renewable capacity (from the International Renewable Energy Agency) and electricity generation mix data (from Our World in Data). Using a country fixed-effects framework with temporal lags (N = 507), the empirical results indicate a statistically significant positive association between lagged blended finance and subsequent capacity growth. Furthermore, a negative interaction with lagged capacity suggests declining marginal effects as countries accumulate capacity. This suggests that blended finance may play a more pronounced catalytic role in early-stage systems while becoming supplementary as markets mature. Heterogeneity analysis shows that statistically significant associations are concentrated in lower-middle- and upper-middle-income countries, suggesting that foundational structural and institutional readiness serves as a key enabler for effective capital mobilization. In addition, long-term share analysis provides evidence that shifting the energy mix requires extended time horizons, given that short-term impacts are not statistically significant. To illustrate these dynamics, this study presents case studies of Thailand and Laos. Whereas Laos recorded notable increases through large blended-finance-backed hydropower projects supported by technical assistance and guarantees, Thailand’s more advanced system exhibited steadier incremental growth. Ultimately, this study contributes to the literature by conceptualizing blended finance as a phase-dependent bridge mechanism rather than a uniform solution, suggesting its potential to mobilize capital to advance the long-term energy transition.

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