(ninglés) A https://docs.google.com/Doc?docid=0AXe2Y1Mm09WIZGhzazhxaDRfMjUzZ25nMjdkZzY&hl=en complete handhout] about the Lorenz curve including various applications, including an Excel spreadsheet graphing Lorenz curves and calculating Gini coefficients as well as coefficients of variation.