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Given a linear supply function of the form QX S = 3,000 + 3PX – 2Pr – Pw, find the inverse linear supply function assuming Pr = $1,000 and Pw = $100.

Correct answer(s):
  • PX = -300 + 0.3333QX.

Given a linear demand function of the form QX d = 500 – 2PX – 3PY + 0.01M, find the inverse linear demand function assuming M = 20,000 and PY = 10.

Correct answer(s):
  • PX = 335 - 0.5QX.

Suppose there is a simultaneous increase in demand and decrease in supply, what effect will this have on the equilibrium price?

Correct answer(s):
  • It will rise.

An excise tax of $1.00 per gallon of gasoline placed on the suppliers of gasoline, would shift the supply curve

Correct answer(s):
  • up by $1.00.

Graphically, an increase in the number of vegetarians will cause the demand curve for Tofu (a meat substitute) to

Correct answer(s):
  • shift rightward.

The law of demand indicates that as the price of a good increases, the quantity that

Correct answer(s):
  • buyers are able to purchase decreases.

In a competitive market, the market demand is Qd = 70 – 3P and the market supply is Qs = 6P. A price ceiling of $4 will result in a

Correct answer(s):
  • shortage of 34 units.