Professor Edward Altman's Z-Score research is referenced
— January 31, 2019
Excerpt from INQUIRER.net -- "In 1968, a professor from New York University by the name of Edward Altman developed a handy financial model that can predict the likelihood of a company’s bankruptcy within two years. Known as the Altman Z-score, the model generates a number by taking the sum of five weighted financial ratios of a stock. The lower the resulting score, the larger the probability that the company will fail."