Investments in Renewable Energy Sources in ...

GDP had a positive and statistically significant effect on renewable energy consumption per capita. Wolde-Rufael (2012) analyzes the causal nexus between 1 Department of Management Studies and Quantitative Methods, University of Naples “Parthenope”, via Generale Parisi, 13, 80132 Napoli, Italy; antonio.romano@uniparthenope.it. ................
................