In a purely private market for education (as presented in class, with no government involvement at all), analyze the impact of the following changes on the market: (i) equilibrium price per year of schooling and (ii) quantity of schooling obtained. (a) (3pts) a new teacher’s union contract that raises the cost of hiring teachers, holding other factors constant. (b) (3pts) technological progress that raises the future labor returns (wages) associated with schooling, holding other factors constant. (c) (3pts) A new study concludes that better-educated societies experience less social unrest, holding other factors constant