Heterogeneous effects of innovation and industrialization on energy consumption in BRICS economies

Анотація

In the context of rapid economic growth in emerging economies, BRICS countries (Brazil, Russia, India, China, and South Africa) face a critical challenge: balancing industrialization-driven development with sustainable energy efficiency amid escalating environmental pressures and global climate commitments. This study is motivated by the need to understand how innovation can mitigate energy-intensive growth patterns, particularly in nations transitioning from resource-heavy industrialization to low-carbon models. Despite substantial progress in GDP and industrial output, persistent energy inefficiencies underscore the urgency of examining heterogeneous impacts across varying energy consumption levels. Employing panel quantile regression, this research analyzes the interplay among innovation (proxied by R&D expenditures and patents), industrialization, and energy use from 2000 to 2024 in BRICS countries. Findings reveal that industrialization and R&D investments significantly curb energy usage, promoting efficiency gains. However, patent applications, energy intensity, GDP per capita, and capital formation amplify energy consumption, reflecting sustained reliance on energy for technological and economic advancement. Robustness is confirmed via several other tests, while Dumitrescu-Hurlin (D-H) causality tests uncover bidirectional relationships among energy use, innovation, and growth. Policy recommendations advocate prioritizing renewable-focused R&D, industrial digitization, and green investments to decouple growth from energy dependence. This study contributes distributional insights into energy efficiency drivers, informing strategies for innovation-led sustainable development in emerging markets.

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