Question: A recent study estimated the demand for coffee as follows C = (I 0.5 p T 0.15 )/(2 + p C ) , where C

A recent study estimated the demand for coffee as follows C = (I0.5pT0.15)/(2 + pC) , where C is the quantity of coffee demanded, I is income, pT is the price of tea, and pC is the price of coffee. Suppose I = 25000, pT = 0.75, and pC = 1.25.

  1. Find the income elasticity for the demand for coffee. Is coffee an inferior or a normal good?
  2. Find the own price elasticity of demand for coffee. Discuss how the price elasticity varies with pC and income.
  3. Find the cross price elasticity for coffee. Are coffee and tea gross substitutes or gross complements?
  4. How can you find the compensated own price elasticity for coffee?

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