Journal
RENEWABLE ENERGY
Volume 190, Issue -, Pages 148-155Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.renene.2022.03.039
Keywords
Governance; Renewable energy; Sub-Saharan Africa; Spatial spill-over
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This study examines the temporal and spatial correlation of renewable energy consumption (REC) and investigates its determinants in sub-Saharan African countries. The findings indicate a spatial agglomeration phenomenon in REC, and the gross domestic product per capita and quality of governance level have significant effects on REC.
An important methodological point that has been over-looked by most of the literature is that renewable energy consumption (REC) is not only correlated in time but also in space. The omission of relevant spatial interaction terms in econometric analysis could be a methodological issue of major importance as it could lead to biased and inefficient estimates. This study accounts for spatial interaction effects to investigate the determinants of REC using a balanced panel of 41 countries in sub-Saharan Africa (SSA) over the period 2002 to 2015. The paper computes the Spatial Moran's I value to explore the spatial agglomeration phenomenon. Then, the Spatial Durbin Model (SDM) is applied to investigate the determinants of REC. The result from the Moran's I value indicates positive spatial correlation between REC and the spatial spill-over effect, representing spatial agglomeration. The decomposition of the SDM Model reveals that the direct effect of Gross Domestic Product per capita is negative while the direct effect of quality of governance level is positive. (C) 2022 Elsevier Ltd. All rights reserved.
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