# Professor Edward Altman's research on debt leverage is referenced

1 Faculty News July 2, 2018 ![](/sites/default/files/styles/246w/public/assets/images/hwfeature.jpg?itok=T0xbPtw9)>

Excerpt from [HousingWire](https://www.housingwire.com/blogs/1-rewired/post/43835-monday-morning-cup-of-coffee-lets-all-call-a-recession) -- "Altman states that as the amount of debt leverage has increased in the global economy there has been a compression of credit ratings: 'How many 'AAA' rated companies in the US? Two. Johnson & Johnson and Microsoft. Two left. Why is it that there are not more 'AAA' rated companies? Leverage.'”

[Read more](https://www.housingwire.com/blogs/1-rewired/post/43835-monday-morning-cup-of-coffee-lets-all-call-a-recession)