The average Market Risk Premium (MRP) used in 2010 by professors in the USA (6.0%) was higher than the one used by … their colleagues in Europe (5.3%). We also report the MRP used for 33 countries: the average MRP used in 2010 ranges from 3 ….6% (Denmark) to 10.9% (Mexico). 29% of the professors decreased the MRP in 2010, 16% increased it and 55% used the same MRP. The …