The market for labor can be studied use a supply and demand framework.  The demand for labor is from employers who use labor to produce goods and services.  The supply of labor is from workers who forego their time to work.  What happen to the price(wages) and quantity of college educated workers in the United States if the following events happen.  Analyze each event separately using the model of supply and demand.  Illustrate each event with a graph of demand and supply.  Label curves, relevant points, and axes.

a.    The United States uses the draft for the Vietnam War from 1964 to 1973, while offering draft deferments to college students.

b.    Skill-biased technological change increases the productivity of college educated workers who have the skills to use new information technology.

c.    The Gozer-Destroyer plague of 2014 kills twenty percent of the people who are infected through unsanitary computer keyboards.

d.    Fifty million college educated workers move to America from Europe and Asia in the great migration of 2013.