Suppose demand is given by QX d = 50 – 4PX + 6PY + AX, where PX = $4, PY = $2, and AX = $50. What is the advertising elasticity of demand for good X?

  • 0.52

You are the manager of a supermarket and know that the income elasticity of peanut butter is exactly -0.7. Due to the recession, you expect incomes to drop by 15% next year. How should you adjust your purchase of peanut butter?

  • Buy 10.5% more peanut butter
If the income elasticity for lobster is 0.4, a 40% increase in income will lead to a:
  • 16% increase in demand for lobster

Suppose the demand function is QX d = 100 – 8PX + 6PY – M. If PX = $4, PY = $2, and M = $10, what is the cross-price elasticity of good x with respect to the price of good y?

  • 0.17

If the price of pork chops falls from $8 to $6, and this leads to an increase in demand for apple sauce from 100 to 140 jars, what is the cross price-elasticity of apple sauce and pork chops at a pork chop price of $6?

  • -0.86

If the cross-price elasticity between ketchup and hamburgers is -1.2, a 4% increase in the price of ketchup will lead to a 4.8% ____?

  • Drop in quantity demanded of hamburgers
The elasticity which shows the responsiveness of the demand for a good due to changes in the price of a related good is the:
  • Cross-price elasticity
Suppose QX d = 10,000 – 2 PX + 3 PY – 4.5M , where PX = $100, PY = $50, and M = $2,000. How much of good X is consumed?
  • 950 units

Suppose QX d = 10,000 – 2 PX + 3 PY – 4.5M , where PX = $100, PY = $50, and M = $2,000. Then good X has a demand which is:

  • Inelastic
Suppose QX d = 10,000 – 2 PX + 3 PY – 4.5M , where PX = $100, PY = $50, and M = $2,000. What is the own-price elasticity of demand?
  • -0.21

If a price increase from $5 to $7 causes quantity demanded to fall from 150 to 100, what is the absolute value of the own-price elasticity at a price of $7?

  • 1.75
If the absolute value of the own-price elasticity of steak is 0.4, a decrease in price will lead to:
  • A reduction in total revenue