# Professor Thomas Philippon and PhD student Germán Gutiérrez's joint research examining the growth and contributions of super star firms is cited

1 Faculty News February 26, 2019 ![Livemint logo](/sites/default/files/styles/246w/public/assets/images/livemint%20feature.jpg?itok=nIqY0pI_)>

Excerpt from [LiveMint](https://www.livemint.com/opinion/columns/opinion-rethinking-corporate-monopoly-in-the-digital-age-1551201887477.html) -- "A new paper by German Gutierrez and Thomas Philippon of the Stern School of Business at New York University takes a look at superstar firms in the US economy over the past six decades. Their careful empirical work ends with a counter-intuitive conclusion. Superstar firms have not become larger, have not become more productive and their contribution to productivity growth has fallen by more than a third."

[Read more](https://www.livemint.com/opinion/columns/opinion-rethinking-corporate-monopoly-in-the-digital-age-1551201887477.html)