# Professor Aswath Damodaran's research on equity risk premiums is highlighted

1 Faculty News April 4, 2019 ![ETF.com logo 192 x 144](/sites/default/files/styles/246w/public/assets/images/etf192x144.jpg?itok=C8lTqgkn)>

Excerpt from [ETF.com](https://www.etf.com/sections/index-investor-corner/swedroe-expected-vs-realized-returns?nopaging=1) -- “Equity risk premiums can change quickly and by large amounts even in mature equity markets. Consequently, I have forsaken my practice of staying with a fixed equity risk premium for mature markets, and I now vary it year to year, and even on an intra-year basis, if conditions warrant.”

[Read more](https://www.etf.com/sections/index-investor-corner/swedroe-expected-vs-realized-returns?nopaging=1)