Suppose the equilibrium price in the market is $10 and the price elasticity of demand for the linear demand function at the market equilibrium is -1.25. Then we know that

  • Marginal revenue is $2
Which of the following is a correct statement about the own-price elasticity of demand?
  • All of the statements are correct

As a general rule-of-thumb, a manager can be 95 percent confident that the true value of the underlying parameter in the regression is not zero, when the absolute value of the t-statistic is

  • Greater than or equal to two

You are the manager of a popular hat company. You know that the advertising elasticity of demand for your product is 0.25. How much will you have to increase advertising in order to increase demand by 5%?

  • 20%

If the income elasticity for lobster is.6, a 25% increase in income will lead to a

  • 15% increase in demand for lobster

If the cross-price elasticity between ketchup and hamburgers is -2.5, a 2% increase in the price of ketchup will lead to a

  • 5% drop in demanded of hamburgers

If quantity demanded for sneakers falls by 6% when price increases 20% we know that the absolute value of the own-price elasticity of sneakers is

  • 0.3

The own-price elasticity of demand for apples is -1.5. If the price of apples falls by 6%, what will happen to the quantity of apples demanded?

  • It will increase 9%

The demand for good X has been estimated by QX d = 6 – 2PX + 5PY. Suppose that good X sells at $3 per unit and good Y sels flor $2 per unit. Calculate the own price elasticity.

  • -0.6

Assume that the price elasticity of demand is -0.75 for a certain firm’s product. If the firm lowers price, the firm’s managers can expect total revenue to

  • Decrease

If the demand function for a particular good is Q = 20 – 8P, then the price elasticity of demand (in absolute value) at a price of $1 is

  • 2/3