this suggest about the continued viability of the Postal Service? Figure 3.18 and the text below illustrate this

using the four-step analysis to answer this question.

FIGURE 3.18 Higher Compensation for Postal Workers: A Four-Step Analysis (a) Higher labor compensation causes
68 3 • Demand and Supply

a leftward shift in the supply curve, a decrease in the equilibrium quantity, and an increase in the equilibrium price.

(b) A change in tastes away from Postal Services causes a leftward shift in the demand curve, a decrease in the

equilibrium quantity, and a decrease in the equilibrium price.

Since this problem involves two disturbances, we need two four-step analyses, the first to analyze the effects of

higher compensation for postal workers, the second to analyze the effects of many people switching from

“snail mail” to email and other digital messages.

Figure 3.18 (a) shows the shift in supply discussed in the following steps.
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