| Income-expense ratio in 2008 | Income-expense ratio in 2009 | Income-expense ratio in 2010 |
Harvard | 1.01 | 1.01 | 1.00 |
MIT | 1.05 | 1.07 | 1.12 |
Yale | 1.01 | 1.04 | 1.06 |
Berkeley | 0.99 | 0.99 | 1.07 |
Cambridge | 1.01 | 0.98 | 1.00 |