Carbon dioxide emissions, GDP, energy use, and population growth: a multivariate and causality analysis for Ghana, 1971-2013

Date

2016-07-01

Author

Asumadu-Sarkodie, Samuel
Owusu, Phebe Asantewaa

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In this study, the relationship between carbon dioxide emissions, GDP, energy use, and population growth in Ghana was investigated from 1971 to 2013 by comparing the vector error correction model (VECM) and the autoregressive distributed lag (ARDL). Prior to testing for Granger causality based on VECM, the study tested for unit roots, Johansen's multivariate co-integration and performed a variance decomposition analysis using Cholesky's technique. Evidence from the variance decomposition shows that 21 % of future shocks in carbon dioxide emissions are due to fluctuations in energy use, 8 % of future shocks are due to fluctuations in GDP, and 6 % of future shocks are due to fluctuations in population. There was evidence of bidirectional causality running from energy use to GDP and a unidirectional causality running from carbon dioxide emissions to energy use, carbon dioxide emissions to GDP, carbon dioxide emissions to population, and population to energy use. Evidence from the long-run elasticities shows that a 1 % increase in population in Ghana will increase carbon dioxide emissions by 1.72 %. There was evidence of short-run equilibrium relationship running from energy use to carbon dioxide emissions and GDP to carbon dioxide emissions. As a policy implication, the addition of renewable energy and clean energy technologies into Ghana's energy mix can help mitigate climate change and its impact in the future.

Subject Keywords

Variance decomposition, Variance decomposition, Carbon dioxide emissions, Ghana, Multivariate co-integration, ARDL bound test, Econometrics

URI

https://hdl.handle.net/11511/65324

Journal

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH

DOI

https://doi.org/10.1007/s11356-016-6511-x

Collections

Engineering, Article

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Citation Formats

S. Asumadu-Sarkodie and P. A. Owusu, “Carbon dioxide emissions, GDP, energy use, and population growth: a multivariate and causality analysis for Ghana, 1971-2013,” ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, pp. 13508–13520, 2016, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/65324.