What is the Gini Coefficient? Give the Formula of such. -What is the UK's Gini Coefficient

-This measures Inequality and is Found in the Lorenz Curve -It is calculated via Area A Divided by (Area A + Area B) -If it is 0, there exists Complete Equality -If it is 1, there exists Complete Inequality -The UK rose from 0.27 in 1979 to 0.35 in 2019