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The Industry Analysts Have Long Recognized That There Is a High

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The industry analysts have long recognized that there is a high degree of complementarity between automobile tires and gasoline. A recent study done by an automobile industry trade group estimated the following supply and demand functions:
QDT = 5,250,000 - 12,500PT - 750,000PG
QST = -350,000 + 11,750PT
QDG = 80,500,000 - 30,000,000PG - 2,500PT
QSG = 35,000,000 + 15,000,000PG,
where ODT and QST refer to quantities of tires demand and supplied each month measured in sets of four, QDG and QSG refer to quantities of gasoline demanded and supplied each month measured in gallons, PG is the price of gasoline per gallon, and PT is the price per set of four tires.
a. Calculate the equilibrium price and quantity that will prevail in both the tire and gasoline markets. (Hint: Recall that QD must equal QS in each market.)
b. Assume that a recession causes the demand curve for gasoline to shift leftward as follows:
QDG = 76,000,000 - 30,000,000PG - 2,500PT
Calculate the initial impact of this change in demand on the gasoline and tire markets. (You need calculate only one change in P and Q for each market.)
c. Discuss the changes that will occur after the initial round to move each market back to a stable equilibrium. Your answer to part (c) requires no calculations, but graphs would help convey your understanding of the process.


Definitions:

Technological Changes

Adjustments or advancements in technology that affect industries, workplaces, and society.

Delivering Health Care

The process of providing medical services to individuals or communities.

Reengineering

The process of redesigning business processes and workflows to achieve significant improvements in critical aspects like cost, service, or speed.

Performing Task

Execution of a specific duty or assignment as part of one's role or responsibilities.

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