Suppose that we identify the social welfare in this town by the sum of utilities of Ann and Bob. What is the cocially optimal number of firemen?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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Anna and Bob are the only residents of a small town. The town currently funds its fire department solely from the individual contributions of
these two residents. Each of the two residents has a utility function over private goods x and total number of firemen M, of the form:
u(x, M) = 2 ln x + In M. The total provision of firemen hired, M, is the sum of the number hired by each of the two persons:
M = Mª + M². Ann and Bob both have income of 200 each, and the price of both the private good and a fireman is 1. They are limited to
providing between 0 and 200 firemen. For the purposes of this problem, you can treat the number of firemen as a continuous variable (it could
be man-years).
Suppose that we identify the social welfare in this town by the sum of utilities of Ann and Bob. What is the
socially optimal number of firemen?
Transcribed Image Text:Anna and Bob are the only residents of a small town. The town currently funds its fire department solely from the individual contributions of these two residents. Each of the two residents has a utility function over private goods x and total number of firemen M, of the form: u(x, M) = 2 ln x + In M. The total provision of firemen hired, M, is the sum of the number hired by each of the two persons: M = Mª + M². Ann and Bob both have income of 200 each, and the price of both the private good and a fireman is 1. They are limited to providing between 0 and 200 firemen. For the purposes of this problem, you can treat the number of firemen as a continuous variable (it could be man-years). Suppose that we identify the social welfare in this town by the sum of utilities of Ann and Bob. What is the socially optimal number of firemen?
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