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Decomposition variables.
| Variable | Definition | Data Source |
|---|---|---|
| REi | Total renewable energy consumption of ith country | BP |
| Ei | Total energy consumption of ith country | World Bank |
| Gi | The GDP of ith country | World Bank |
| Ci | CO2 emissions each year of ith country | World Bank |
| Pi | Population of ith country | World Bank |
| P | Total population of all sample countries | World Bank |
