Question: Ticket Services Inc offers ticket promotion and handling services for

Ticket Services, Inc., offers ticket promotion and handling services for concerts and sporting events. The Sherman Oaks, California, branch office makes heavy use of spot radio advertising on WHAMAM, with each 30-second ad costing $100. During the past year, the following relation between advertising and ticket sales per event has been observed:
Sales (units) = 5,000 + 100A - 0.5A2
∂Sales (units)/ ∂ Advertising = 100 - A
Here, A represents a 30-second radio spot ad, and sales are measured in numbers of tickets.
Rachel Green, manager for the Sherman Oaks office, has been asked to recommend an appropriate level of advertising. In thinking about this problem, Green noted its resemblance to the optimal resource employment problem studied in a managerial economics course. The advertising/sales relation could be thought of as a production function, with advertising as an input and sales as the output. The problem is to determine the profit-maximizing level of employment for the input, advertising, in this “production” system. Green recognized that a measure of output value was needed to solve the problem. After reflection, Green determined that the value of output is $2 per ticket, the net marginal revenue earned by Ticket Services (price minus all marginal costs except advertising).
A. Continuing with Green's production analogy, what is the marginal product of advertising?
B. What is the rule for determining the optimal amount of a resource to employ in a production system? Explain the logic underlying this rule.
C. Using the rule for optimal resource employment, determine the profit-maximizing number of radio ads.

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  • CreatedFebruary 13, 2015
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