Assessing the Environmental Impact of Fiscal Consolidation in OECD Countries: Evidence from the Panel QARDL Approach

Ameni Mtibaa () and Foued Badr Gabsi
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Ameni Mtibaa: Laboratory of Economics and Development, Faculty of Economics and Management of Sfax, University of Sfax, Sfax 3018, Tunisia
Foued Badr Gabsi: Laboratory of Economics and Development, Faculty of Economics and Management of Sfax, University of Sfax, Sfax 3018, Tunisia

JRFM, 2025, vol. 18, issue 9, 1-21

Abstract: Concerns about ensuring a sustainable environment are growing, attracting major attention from policy professionals worldwide. Therefore, this study investigates the nonlinear impacts of fiscal consolidation on CO 2 emissions in 17 OECD countries from 1978 to 2020. To probe the short- and long-term connections across various quantiles of CO 2 emissions, we adopted panel QARDL frameworks. The Granger non-causality test was used to investigate the variables’ association with CO 2 emission. The study’s main findings confirm the overall beneficial effect of fiscal consolidation on carbon emissions. It reduces CO 2 emissions at almost all quantiles in the short run. By contrast, in the long run, the effect is positive at lower quantiles and turns negative at upper quantiles. Furthermore, a causality analysis identified a bidirectional causal relationship between fiscal consolidation and CO 2 emissions, confirming the existence of mutual influence. While Keynesian theory links fiscal consolidation to economic recession, our findings support the non-Keynesian view, showing that such policy can foster economic growth and thereby contribute to reducing CO 2 emissions in the short run. Thus, OECD countries are orienting public spending and carbon taxation toward environmentally friendly practices while ensuring environmental protection and deficit reduction. Nonetheless, the identified mixed effect in the long run highlights the need for sustained consolidation policies by enhancing expenditure efficiency and adopting targeted taxation measures to achieve lasting emission reductions and support the transition to cleaner energy, even when emissions are relatively low.

Keywords: fiscal policy; fiscal consolidation; panel QARDL; OECD countries; carbon emissions (search for similar items in EconPapers)
JEL-codes: C E F2 F3 G (search for similar items in EconPapers)
Date: 2025
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