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Faible transmission des politiques climatiques et dominance macroéconomique dans l'allocation bancaire : Analyse empirique en zone UEMOA

Authors: DIA, Serigne Moussa;

Faible transmission des politiques climatiques et dominance macroéconomique dans l'allocation bancaire : Analyse empirique en zone UEMOA

Abstract

Résumé Cet article analyse la transmission des politiques climatiques à l'allocation du crédit bancaire dans la zone UEMOA entre 2015 et 2024. La méthodologie repose sur un modèle de panel à effets fixes banque-pays-trimestre appliqué à un échantillon de 40 banques (n = 1 560 observations), en adaptant l'approche de Covi et al. (2025). Les résultats révèlent une transmission quasi inexistante des politiques climatiques : le coefficient associé à l'indice CCPI est faible et non significatif (β = 0,04 ; p > 0,10) pour les expositions vertes (TAC), de même que pour les secteurs carbonés (β = −0,02 ; p > 0,10). En revanche, l'inflation constitue le principal déterminant de l'allocation : une hausse de 1 point du taux d'inflation entraîne un rééquilibrage d'environ +3,5 % vers les secteurs résilients (β = 0,0014 ; p 0.10) for green exposures (TAC), as well as for carbon-intensive sectors (β = −0.02; p > 0.10). In contrast, inflation emerges as the main determinant: a one-point increase in the inflation rate leads to an estimated +3.5% reallocation toward more resilient sectors (β = 0.0014; p < 0.05), indicating macroeconomic dominance over climate signals. The findings highlight a substantial gap in the integration of climate risk within WAEMU banking practices. The average share of "green" loans remains below 2% of total portfolios, while exposure to vulnerable sectors still exceeds 28%. The study calls for strengthening the BCEAO's prudential framework: mandatory climate stress tests, standardized disclosure requirements, and targeted regulatory incentives. Keywords: Climate policies; Bank allocation; WAEMU; Transition risk; Green finance; Macroeconomic dominance. JEL Classification: G21, Q54, E58, O55 Paper type: Empirical research article

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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