1, $15 for 2, $10 for 3, and $3 for 4. a. What is the socially optimal number of streetlights to be installed in the neighborhood? b. What is the number of streetlights that will be installed if the decsion is left to each individual (e. g., if the provision decision is left to the private market)? c. How much surplus will be foregone if the installation decision is left to the private market?
1, $15 for 2, $10 for 3, and $3 for 4. a. What is the socially optimal number of streetlights to be installed in the neighborhood? b. What is the number of streetlights that will be installed if the decsion is left to each individual (e. g., if the provision decision is left to the private market)? c. How much surplus will be foregone if the installation decision is left to the private market?
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Transcribed Image Text:Problem #1: Dave and Art live in a new housing development and would like to have streetlights installed to illuminate
the streets and sidewalks at night. The table shows Dave and Art's individual marginal benefits for different quantities of
streetlights that could be installed in the neighborhood. Suppose that the marginal cost of installing a streetlight is $11.
Dave has marginal benefits of $15 for 1 streetlight, $10 for 2, $5 for 3, and $2 for 4. Art has marginal benefits of $20 for
1, $15 for 2, $10 for 3, and $3 for 4. a. What is the socially optimal number of streetlights to be installed in the
neighborhood? b. What is the number of streetlights that will be installed if the decsion is left to each individual (e. g.,
if the provision decision is left to the private market)? c. How much surplus will be foregone if the installation decision is
left to the private market?
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Step 1: Introduce the concept of marginal benefits and marginal cost.
VIEWStep 2: a. Determine the socially optimal number of streetlights to be installed in the neighborhood.
VIEWStep 3: b. Determine the number of streetlights that will be installed if each individual made decision.
VIEWStep 4: c. Determine the surplus foregone if the installation decision is left to the private market.
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