13. Proper hygiene, such as regular hand-washing, can greatly limit the spread of many diseases. How might this suggest a role for public i nterventions? What kinds of public interventions might be possible? Suggest t hree distinct types of possible inter
ECO 479 Spring 2011 Professor Yelowitz Homework 1 Distributed: Tuesday February 1, 2011; Due Thursday, Feb. 10, 2011, in class Worth 3 points overall; covers chapters 1, 2, 3 of Gruber 1. Suppose that you buy a lot of music and that prices of CDs go down.