官民シナジーとグリーン成長：BRICSエネルギー投資からの証拠
Public–Private Synergy and Green Growth: Evidence From BRICS Energy Investments (原題)
Swarnamanjari Sahoo, Y N Raju, Prajukta Tripathy, Malayaranjan Sahoo, Abdullah Almeer
🤖 gxceed AI 要約
日本語
BRICS5カ国・1998〜2022年のパネルデータを用い、エネルギー部門のPPP投資がエネルギー消費構成に与える影響をCS-ARDLで推計。PPP投資と技術革新は長期的に再エネ消費シェアを有意に高め、非再エネ比率を低下させる。R&D支出の効果は限定的で、技術革新は総エネルギー消費を増やすリバウンド効果も示す。都市化とGDPは総量・非再エネ双方を押し上げる。
English
Using 1998–2022 panel data for BRICS, the study applies CS-ARDL to test how public–private partnership (PPP) energy investment shapes energy consumption. PPP investment and technological innovation significantly raise renewable shares and cut non-renewable shares in the long run, while R&D spending has only weak long-run effects. Innovation also lifts total per-capita energy use, consistent with rebound and scale effects; urbanisation and GDP increase both total and non-renewable use.
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
日本ではPPP/PFIやGX推進機構を通じた脱炭素投資の設計が議論されており、公的資金と民間資本の組み合わせが再エネ比率を実際に押し上げるかを示す実証は、GX経済移行債やトランジション投資の効果検証の参考になる。リバウンド効果への言及は省エネ政策の限界を考える上でも示唆的。
In the global GX context
As blended finance and transition finance frameworks (ISB, GFANZ, MDB reform) scale up, evidence that PPP structures shift energy mixes in large emerging economies is directly relevant to how public capital is justified in climate disclosure and transition planning. The rebound-effect finding also cautions against treating innovation spending alone as a decarbonization lever.
👥 読者別の含意
🔬研究者:PPP投資と技術革新が再エネ比率を高める一方で総エネルギー消費も増やすという、リバウンド効果を含む実証結果をBRICS文脈のベンチマークとして活用できる。
🏢実務担当者:新興国でのPPP型再エネ事業の投資判断や、自社のエネルギー調達ポートフォリオの地域別リスク評価に示唆を与える。
🏛政策担当者:PPP枠組みの強化とクリーンエネルギーR&Dへの重点配分、リバウンド効果を抑える政策パッケージの必要性を示す。
📄 Abstract（原文）
ABSTRACT This study examines how public–private partnership (PPP) investment in energy affects energy consumption in BRICS countries (Brazil, Russia, India, China, and South Africa) from 1998 to 2022. The study incorporates political cooperation, research and development (R&D) expenditure, technological innovation, urbanisation, and GDP as key determinants. The CS‐ARDL approach is employed to estimate both long‐run and short‐run effects while addressing cross‐sectional dependence and slope heterogeneity. The results indicate that PPP investment and technological innovation significantly increase the share of renewable energy consumption in the long run, while R&D expenditure has a positive but only weakly significant long‐run effect. PPP investment and technological innovation also significantly reduce the share of non‐renewable energy consumption in the long run, with political cooperation exerting a weaker (10% level) negative effect, whereas R&D expenditure reduces non‐renewable energy consumption only in the short run. Technological innovation also raises total per capita energy use, consistent with rebound and scale effects. Urbanisation and GDP increase both total and non‐renewable energy use. The findings highlight the need for governments to strengthen PPP frameworks, scale up targeted R&D funding for clean energy, pair innovation policy with measures that contain rebound effects, and work jointly within BRICS cooperation platforms to accelerate the transition to renewable energy in BRICS countries.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.1002/pa.70170first seen 2026-11-08 04:43:43 · last seen 2026-11-13 04:52:24
🔔 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。