Testing the Relationships between Energy Consumption, CO2 Emissions and Economic Growth in 24 African Countries: A Panel ARDL Approach

Environmental Science and Pollution Research, 23(7), pp. 6563-6573 (2016).

23 Pages Posted: 18 Sep 2015 Last revised: 7 Apr 2016

See all articles by Simplice Asongu

Simplice Asongu

African Governance and Development Institute

Ghassen El Montasser

University of Manouba

Hassen Toumi

University of Sfax - Faculty of Economics and Management (FSEGS)

Date Written: September 16, 2015

Abstract

This study complements existing literature by examining the nexus between energy consumption (EC), CO2 emissions (CE) and economic growth (GDP) in 24 African countries using a panel ARDL approach. The following findings are established. First, there is a long run relationship between EC, CE and GDP. Second, a long term effect from CE to GDP and EC is apparent, with reciprocal paths. Third, the error correction mechanisms are consistently stable. However, in cases of disequilibrium only EC can be significantly adjusted to its long run relationship. Fourth, there is a long-run causality running from GDP and CE to EC. Fifth, we find causality running from either CE or both CE and EC to GDP and inverse causal paths are observable. Causality from EC to GDP is not strong, which supports the conservative hypothesis. Sixth, the causal direction from EC to GDP remains unobservable in the short term. By contrast, the opposite path is observable. There are also no short-run causalities from GDP, or EC, or EC and GDP to EC. Policy implications are discussed.

Keywords: Energy consumption; CO2 emissions; Economic growth; Africa

JEL Classification: C52; O40; O55; Q43: Q50

Suggested Citation

Asongu, Simplice and El Montasser, Ghassen and Toumi, Hassen, Testing the Relationships between Energy Consumption, CO2 Emissions and Economic Growth in 24 African Countries: A Panel ARDL Approach (September 16, 2015). Environmental Science and Pollution Research, 23(7), pp. 6563-6573 (2016). . Available at SSRN: https://ssrn.com/abstract=2661492 or http://dx.doi.org/10.2139/ssrn.2661492

Simplice Asongu (Contact Author)

African Governance and Development Institute ( email )

P.O. Box 8413
Yaoundé, 8413
Cameroon

Ghassen El Montasser

University of Manouba ( email )

Campus Universitaire de La Manouba
Manouba
Tunisia

Hassen Toumi

University of Sfax - Faculty of Economics and Management (FSEGS) ( email )

Road of Airport, Km 4
Sfax, sfax 3018
Tunisia

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