3. Using supply and demand curves, show the effect of each of the following events on the market for cigarettes.
a. A cure for lung career cancer is found.
b. The price of cigarette increases.
c. Wage increase substantially in states that grow tobacco.
d. A fertilizer that increase the yield per acre of tobacco is discovered.
e. More state pass laws restricting smoking in public places
a)
b)
c)
d)
e)
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