Renewable Energy Consumption and Agriculture: Evidence for Cointegration and Granger causality for Tunisian Economy

Mehdi Ben Jebli () and Slim Ben Youssef

MPRA Paper from University Library of Munich, Germany

Abstract: This paper uses the vector error correction model (VECM) and Granger causality tests to investigate short and long-run relationships between per capita carbon dioxide (CO2) emissions, real gross domestic product (GDP), renewable and non-renewable energy consumption, trade openness ratio and agricultural value added (AVA) in Tunisia spanning the period 1980-2011. The Johansen-Juselius test shows that all our considered variables are cointegrated. Short-run Granger causality tests reveal the existence of bidirectional causalities between AVA and CO2 emissions, and between AVA and trade; unidirectional causalities running from non-renewable energy and output to AVA and to renewable energy, and from CO2 emissions to renewable energy. Interestingly, there are long-run bidirectional causalities between all considered variables. Our long-run parameters estimates show that non-renewable energy, trade and AVA increase CO2 emissions, whereas renewable energy reduces CO2 emissions. In addition, the inverted U-shaped environmental Kuznets curve (EKC) hypothesis is not supported. Our policy recommendations are to increase international economic exchanges because this gives new opportunities to the agricultural sector to develop and to benefit from renewable energy technology transfer. Subsidizing renewable energy use in the agricultural sector enables it to become more competitive on the international markets while polluting less and contributing to combat global warming.

Keywords: Renewable energy; Agriculture; Trade; Granger causality; Tunisia. (search for similar items in EconPapers)
JEL-codes: C33 F14 Q1 Q42 Q54 (search for similar items in EconPapers)
Date: 2015-11-20
New Economics Papers: this item is included in nep-agr, nep-ara, nep-ene and nep-env
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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