a. Using the marginal condition in Equation, show that an equivalent condition for the optimal level of
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b. Use the markup rule, (P - MC)/P = -1/EP, and the equation in part (a) to show that A/(PQ) = -EA/EP. Divide the former by the latter. According to this result, the ratio of advertising spending to dollar sales is simply the ratio of the respective elasticities.
c. Recently, General Motors Corporation was ranked fifth of all U.S. firms in advertising expenditure, and Kellogg Co. was ranked thirtieth. But advertising spending constituted 17 percent of total sales for Kellogg and only 1 percent for GM. Given the result in part (b), what must be true about the firms’ respective price and advertising elasticities to explain this difference?
Corporation
A Corporation is a legal form of business that is separate from its owner. In other words, a corporation is a business or organization formed by a group of people, and its right and liabilities separate from those of the individuals involved. It may...
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Managerial economics
ISBN: 978-1118041581
7th edition
Authors: william f. samuelson stephen g. marks
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