ECON 545 Final Exam v4

ECON 545 Final Exam v4

Author: Abraham Nolito


1. (TCO A) Suppose you are hired to manage a small manufacturing facility that produces Widgets.

(a.) (15 points) You know from data collected on the Widget Market that market demand and market supply have both increased recently. As manager of the facility, what decisions should you make regarding production levels and pricing for your Widget facility?
Remember that supply and demand are about the market supply and market demand, which is bigger than your own company. You are being given data on supply and demand for the whole market and are being asked what effect that has on you as a small part of that market.

(b.) (15 points) Now, suppose that following the supply and demand changes in (a), a substitute good goes up in price, and your costs of production increase. What new decisions will you make regarding production levels and pricing for your Widget facility?
2. (TCO B)Here is some data on the demand for marshmallows:

Price Quantity
$10 100
$ 8 300
$ 6 700
$ 4 1300
$ 2 2200

(a.) (15 points) Is demand elastic or inelastic in the $6-$8 price range? How do you know?

(b.) (15 points) If the table represents the demand faced by a monopoly firm, then what is that firm’s marginal revenue as it increases output from 1300 units to 2200 units? Show all work. (Be careful here!)
3. (TCO C) You have been hired to manage a small manufacturing facility whose cost and production data are given in the table below. Total Total
Workers Labor CostOutputRevenue
1 $500 100 $700
2 1000 280 1150
3 1500 440 1440
4 2000 540 1570
5 2500 600 1670
6 3000 630 1710
7 3500 640 1730

(a.) (6 points) What is the marginal product of the second worker?

(b.) (6 points) What is the marginal revenue product of the fourth worker? 

(c.) (6 points) What is the marginal cost of the first worker? 

(d.) (12 points) Based on your knowledge of marginal analysis, how many workers should you hire? Explain you answer.
4. (TCO C) Answer the next questions on the basis of the following cost data for a firm in pure competition:

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