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This study investigated the impact of information communication technology (ICT) and economic growth (GDP) on electricity consumption (EC) for a global panel consisting of 67 countries using a dynamic panel data model. We also implement these empirical models for three income panels, namely, high income, middle income, and low income panels. The panel model was used in this study from the period 1990-2012. Our main findings show a positive and statistically significant effect of ICT on electricity consumption when ICT measured using Internet connections and mobile phones. Moreover, the results indicate that economic growth has a positive and statistical significant effect on electricity consumption for four global panels. Financial development is found to have a positive impact on electricity consumption in global panels, middle income, and low income panels. For the high income and middle income, the population has a positive and statistical significant effect on electricity consumption.

The purpose of this study is to investigate the interrelationship between energy-CO 2 emission-GDP for Sub-Saharan countries covering the period 2000-2012. To circumvent this issue we use dynamic simultaneous-equation. Our empirical findings show that there is a bidirectional causal relationship between energy consumption and economic growth. The results support also a bidirectional relationship between energy consumption and electricity consumption, but variables reflecting pollution affect negatively electricity consumption. As well the rise in economic growth increases the level of CO 2 emissions and vice versa.

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