In Zimbabwe, Wicknell Chivayo has become a household name, renowned for his extravagant lifestyle. From lavishly distributing ...

IN Zimbabwe, Wicknell Chivayo has become a household name, widely recognised for his extravagant display of wealth. From ...

The Lorenz curve is a central piece in calculating the Gini coefficient, a mathematical representation of inequality levels. Because Lorenz curves are mathematical estimates based on fitting a ...