Variable | Indicator | Nature | Unit | Source |
Capital | Gross fixed capital formation | Input | Billions of US dollar, constant 2010 | World Bank |
Labour | Number of workers in the country | Input | thousand workers | World Bank |
Energy | Energy used | Input | Kiloton | World Bank |
GDP |
| Desirable output | Billions of US dollar, constant 2010 | World Bank |
CO2 | Carbon emissions | Undesirable output | Tons | World Bank |