ESG and the performance of energy and utility portfolios: evidence from Australia

Scott J. Niblock

Studies in Economics and Finance, 2024, vol. 41, issue 3, 502-521

Abstract: Purpose - This study aims to establish the effect of environmental, social and governance (ESG) practices on Australian energy and utility investment performance. Design/methodology/approach - Conventional and ESG-rated portfolios are constructed using monthly returns and ESG scores of S&P/ASX 300 listed energy and utility firms from 2014 to 2022. Portfolio performance is estimated using a four-factor regression model, controlling for any economic shocks associated with the COVID-19 pandemic. Findings - The findings show that the lower the ESG score associated with the overall ESG and environmental portfolios, the greater the performance compared to the market (but not the conventional and other ESG portfolios). High ESG scores do not appear to influence the performance of the energy and utility portfolios, which contrasts expectations that the uptake of ESG should deliver superior risk-return outcomes for investors. The findings also indicate that a contrarian investment approach may be a reasonable performance indicator for high-rated ESG portfolios. ESG practices did not impact portfolio performance during the COVID-19 pandemic. Originality/value - This research has contributed to the literature by offering ESG investment insights for policymakers, regulators, fund managers and investors. Consistent with the agency perspective on ESG practices and efficient market hypothesis, the evidence implies that, regardless of ESG scores (either high or low), investors should consider investing passively in diversified energy and utility portfolios or low-cost index fund equivalents.

Keywords: COVID-19; Energy; ESG; Investment; Performance; Risk; Utilities (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eme:sefpps:sef-06-2023-0366

DOI: 10.1108/SEF-06-2023-0366

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