Let the vertical axis of a figure indicate the average employment fast food restaurants.There are two time periods,t = 1 and t = 2,where time period is measured on the horizontal axis.The following table presents average employment levels per restaurant for New Jersey (the treatment group)and Eastern Pennsylvania (the control group).
Enter the four points in the figure and label them 
, 
, 
,and 
.Connect the points.Finally calculate and indicate the value for 
.
Definitions:
Median Earnings
The middle value of income distribution, where half of the population earns more and half earns less.
Labor Market
The supply and demand for labor, where employers seek to hire workers, and individuals offer their work for wages.
Median Earnings
The middle value of earnings in a given demographic, geographical area, or profession, with an equal number of individuals earning more and less than this amount.
Labor Market
A marketplace where employers find workers and workers find jobs, characterized by the supply and demand for labor.
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