Online sale Suppose a student is considering selling their used smartphone online. They can sell it now for $p or wait and sell it next month for a different price. If they wait, they will receive a random offer with an equal probability of being either $300 or $100. The student can only receive one offer and cannot sell the phone after the second month. 1. Calculate the expected price in the next month. 2. Suppose that the current price p is equal to 200. (a) Give a reason why selling today could be a good idea. (b) Give a reason why selling next month could be a good idea.

Microeconomic Theory
12th Edition
ISBN:9781337517942
Author:NICHOLSON
Publisher:NICHOLSON
Chapter7: Uncertainty
Section: Chapter Questions
Problem 7.7P
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Online sale
Suppose a student is considering selling their used smartphone online. They can sell it now for $p
or wait and sell it next month for a different price. If they wait, they will receive a random offer
with an equal probability of being either $300 or $100. The student can only receive one offer and
cannot sell the phone after the second month.
1. Calculate the expected price in the next month.
2. Suppose that the current price p is equal to 200.
(a) Give a reason why selling today could be a good idea.
(b) Give a reason why selling next month could be a good idea.
Transcribed Image Text:Online sale Suppose a student is considering selling their used smartphone online. They can sell it now for $p or wait and sell it next month for a different price. If they wait, they will receive a random offer with an equal probability of being either $300 or $100. The student can only receive one offer and cannot sell the phone after the second month. 1. Calculate the expected price in the next month. 2. Suppose that the current price p is equal to 200. (a) Give a reason why selling today could be a good idea. (b) Give a reason why selling next month could be a good idea.
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