You operate an internet firm selling used books and discover that the immediacy of the internet makes your industry perfectly competitive.
September 3, 2020
Three students have each saved $1000. Each has an investment opportunity in which he or she can invest up to $2000. The rates of return on the…
September 3, 2020

Physician Supply: The supply of physician office visits is given by QS=40P-1000, and demand for physician office visits is QD=6000-60P. a. [2 points] If the market is perfectly competitive, what are the equilibrium price and quantity? b. [3 points] Suppose there is an entry barrier that prevents new physicians from entering the market, which limits QS ≤ 1200. What is the market price given this entry barrier? c. [3 points] How much total welfare (consumer surplus + producer surplus) is lost because of the entry barrier?

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