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Global Health Economics and
            Sustainability
                                                                      Energy consumption and life expectancy in West Africa


            provides a framework to understand the interactions   that disaggregating energy use into renewable and non-
            between environmental factors and human health. It is based   renewable energy use is essential when analyzing African
            on several key assumptions that guide its application and   countries; lumping  them  together  will  yield  deceptive
            interpretation. In the context of environmental health, one   results  as  the  transition  to  renewable  energy  use  in
            prominent assumption is that the environment influences   Africa is slow. Using fixed effects and threshold models,
            health outcomes to a large extent (Gatz et al., 2020).  Wang et  al. (2023) examined whether renewable energy
                                                               improves life expectancy in 121 countries worldwide.
            2.2. Empirical literature                          They revealed that renewable energy positively affects life
            Empirical studies (regional, international, cross-country,   expectancy; however, the impact of renewable energy on
            and country-specific) on whether energy consumption   life expectancy varies across different income levels. Using
            affects life expectancy are reviewed below.        cross-sectional ARDL, Polcyn  et al. (2023) examined
                                                               whether energy consumption improved life expectancy
            2.2.1. Cross-country studies in Africa             from 1997 to 2019 in 46 Asian countries. They found that
            Using panel data from 16 African countries, Youssef et al.   an increase in healthcare spending and energy use results
            (2015) investigated the causal relationship between energy   in improved health outcomes in the long run and that CO
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            consumption and health indicators from 1971 to 2010.   emissions are detrimental to health. They concluded that
            The study found that there is a strong causal relationship   increasing health spending, energy consumption, and
            between  energy consumption  and health  outcomes in   long-term economic growth will improve health outcomes.
            several African countries and this causal relationship is   Using the Driscoll-Kraay standard error technique, Ebhota
            unidirectional flowing from electricity consumption to   et al. (2023) investigated the impact of renewable energy
            health outcomes. Using autoregressive distributed lag   consumption, air pollution, and economic development on
            (ARDL), Agbanike  et al.  (2019) extended the study of   life expectancy in Mexico, Indonesia, Nigeria, and Turkey;
            Youssef et al. (2015) to examine the link between energy   they found a positive and significant relationship between
            consumption and life expectancy in Africa from 1971   renewable energy consumption and life expectancy with a
            to 2014; they found that although energy consumption   one-way causation – from renewable energy consumption
            significantly improves life expectancy in Africa, it also   to life expectancy. In contrast, in a panel study of emerging
            generates CO  emissions that diminish life expectancy   Asian economies, Anser  et al. (2022) investigated the
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            in the long run.  Aderinto  (2023)  further explored the   impact of energy use, economic activities, and greenhouse
            connection between energy consumption and health   gas emissions on health outcomes from 1995 to 2018;
            outcomes in West African countries using pooled mean   they found that fossil fuel consumption and natural
            group and ARDL and found that in the short run, non-  resource depletion harm human health while the use of
            renewable energy has a negative effect on life expectancy   efficient energy improves health outcomes. Sargentis et al.
            while renewable energy has a positive and significant   (2021a) examined the water–energy–food nexus and land
            effect.                                            development in Thessaly Plain, Greece; they found that
                                                               energy use is strongly correlated with life expectancy and
            2.2.2. Cross-country studies in other regions      per capita gross domestic product (GDP). They further
            Using  generalized  additive  proportional  hazards  and   observed considerable  inequalities in  per capita energy
            nonlinear models, Weitensfelder et al. (2024) investigated   use among countries. For instance, in countries with high
            the effect of energy consumption, energy distribution, and   GDP, transport and heating account for the largest share of
            clean energy use on life expectancy and found that a certain   energy use, whereas in countries with low GDP, cooking
            level of wealth and energy use is necessary for health   accounts for the largest share of energy consumption. This
            and well-being; however, beyond a specific threshold,   finding strongly suggests that income level is an important
            additional energy consumption has no beneficial effects.   factor in the nexus between energy consumption
            They further showed that life expectancy and per capita   and life expectancy. In another study, Sargentis  et  al.
            energy consumption increase over time but the increase is   (2021b)  showed  that  technological  development
            more pronounced for life expectancy. The approach used   positively correlates with increased inequality. However,
            by Weitensfelder  et al. (2024) is typical of the approach   technological development also offers a better and longer
            used by studies conducted in developed countries. Per   life to all community members. Therefore, an increase
            capita energy consumption increases with life expectancy   in technological advancement comes with an increase in
            as most developed countries use cleaner energy than   energy consumption, which affects quality of life. They
            what is used in West African countries (i.e., fossil fuels   asserted that GDP per capita positively correlates with
            and traditional biomass). Aderinto (2023) demonstrated   energy consumption; thus, GDP per capita can be expected


            Volume 3 Issue 1 (2025)                         5                        https://doi.org/10.36922/ghes.3518
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