development gap = the widening difference in levels of development between the world's richest and poorest countries.
Lorenz Curve = Shows inequality in a graph form
assumes that 10% of the population would have 10% wealth
Line equality = perfect equality - no inequality
shows how much equality exists
GINI coefficient = A/(A+B) where A is the area over the Lorenz curve and B is the area under the Lorenz curve.
-> Value 0 to 100 (0 = perfect equality)
-> Used by the world bank
Single indices = measure one variable
composite Indices = measure more than one variable
income per capita = The value of a country's income, divided by the number of people in that country.
economic sector balance = considers all four main economic sectors - Primary, Secondary, Tertiary, Quaternary - and describes the composition of a country's industry
HDI = Human Development Index - a composite measure of development that combines life expectancy, education and GDP per capita
GII = measurement of gender inequality using three dimensions: reproductive health, empowerment and the labour market
Air pollution indices = amount of harmful substances that in the areas atmosphere