For the population of firms in the chemical industry, let rd denote annual expenditures on research and development, and let sal
es denote annual sales (both are in millions of dollars).
a. Write down a model (not an estimated equation) that implies a constant elasticity between rd and sales. Which parameter is the elasticity?
b. Write out the estimated equation in the usual form. What is the estimated elasticity of rd with respect to sales? Explain in words what this elasticity means.
a. Write down a model (not an estimated equation) that implies a constant elasticity between rd and sales. Which parameter is the elasticity?
b. Write out the estimated equation in the usual form. What is the estimated elasticity of rd with respect to sales? Explain in words what this elasticity means.
1 answer:
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Answer: Increase of $8,200
Explanation:
Currently, the company is making a net operating income of;
= Contribution Margin - Fixed expenses
= (90 * 6,700) - 547,700
= $55,300
If the company advertises, net operating income becomes;
= Contribution margin with increase in sales - Fixed expenses including advertisements
= (90 * (6,700 + 170)) - (547,700 + 7,100)
= $63,500
Increase in operating income = 63,500 - 55,300
= $8,200
