What is the point income elasticity at the initial values

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The McNight Company is a major producer of steel. Management estimates that the demand for the company’s steel is given by the equation Qs = 5,000 – 1,000Ps + 0.1I + 100Pa where Qs is steel demand in thousands of tons per year, Ps is the price of steel in dollars per pound, I is income per capita, and Pa is the price of aluminum in dollars per pound. Initially, the price of steel is $1 per pound, income per capita is $20,000, and the price of aluminum is $0.80 per pound.

a. How much steel will be demanded at the initial prices and income?

b. What is the point income elasticity at the initial values? What type of good is steel?

c. What is the point cross elasticity between steel and aluminum? Are steel and aluminum substitutes or complements?

Reference no: EM131246049

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