| Variables | Description of variables | Data source | |
| input | dpe | dpe stands for public expenditure on education. Public expenditure on education is public current and capital expenditure on education and includes public expenditure on educational institutions (public and private) and on the administration of education as well as subsidies to private entities (students/households and other private entities). | World Bank WDI (World Development Indicators) https://data.worldbank.org/indicator |
| outputs | tbsp | tbsp stands for gross primary enrolment ratio. It is the total corresponding to total primary school enrolment, regardless of age, expressed as a percentage of the total population in the primary school age group. This rate may exceed 100% due to the inclusion of over-aged or under-aged students as a result of early or late enrolment and repetition. | World Bank WDI (World Development Indicators) https://data.worldbank.org/indicator |
| taep | taep Primary school completion rate (% of relevant age group). The primary school completion rate is the total number of new entrants to the last level of primary education, regardless of age, expressed as a percentage of the total population in the theoretical age range of entry to the last level of primary education. This indicator is also known as the “gross intake rate for the last primary level”. This ratio may exceed 100% due to over-aged and under-aged children as a result of late or early primary schooling and/or repetition. | World Bank WDI (World Development Indicators) https://data.worldbank.org/indicator | |
| tbis | tbis stands for Gross Tertiary Enrolment Rate. This rate is the total enrolment in tertiary education, regardless of age, expressed as a percentage of the total population of the five-year group after leaving secondary school. | World Bank WDI (World Development Indicators) https://data.worldbank.org/indicator |