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Suppose the annual global supply and demand for oil (in billions of barrels) were QS = -2+ 1P QD = 13 – 1 P Now suppose the t

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Answer #1

New supply equation after increase in supply is Qs = -2 + P/10 + 2 or Qs = P/10

Demand equation is unchanged at Qd = 13 - P/40

Find the equilibrium using Qs = Qd

P/10 = 13 - P/40

5P/40 = 13

Or P = 104

Q = 10.4

Hence, the new price is $104 and new quantity is 10.4 billion at the new equilibrium

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