d. (4 pts.) We expect P1 to be if the signalling model holds. A recent study estimated the model above via linear regression for a sample of over 500 men: In( wage )=1.2+.10 Edu+. 03 Degree+. 02 Exp-. 005 Exp e. (6 pts.) What is the rate of return to education? (6 pts.) What do the estimates say about the value of staying in college? Consider two workers, one with four years of college who forgot to apply for her diploma, and one with four years of college who didn't forget. (6 pts.) Write an expression for the rate of return to experience