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Managerial Economics: MBA 540 Mid-term Exam

Math Problem Instructions:

MBA 540 Mid-term Exam
1. (10 pts.) Stella Ann Freeman is having a difficult time deciding whether or not to purchase a new car. How would understanding the concept of opportunity costs help her make a decision?
2. (10 pts.) Referring to the table below, hiring a driver costs $10. Each machine costs $100. Which method should he use and why?

3. (10 pts.) Enron will be an example of a dysfunctional company for many years to come. It was clearly a company riddled with fraud and excess and its conduct drove it into bankruptcy. The text argues that individual behavior was not at the core of Enron’s problems. What were the problems with this corporation from an organizational architecture point of view?
4. (10 pts.) For many corporations such as utility companies, a major portion of the cost of production is fixed in the short run. Should these very large fixed costs be ignored when the executives are making output and pricing decisions? Why?
5. (10pts.) Choose a real-life example of a firm that you think is part of an oligopoly market and describe the characteristics of the market structure that explain why the firm would be classified as such.
6. (10 pts.; 2 pts each) You are the manager for Dunkin Donuts and know the following elasticities:
η= 1.5 η I = 1.2 η xy1 = 0.5 η xy2 = -0.5
η is the price elasticity of demand for Dunkin Donuts (DD) glazed doughnuts, ηxy1 is the cross elasticity of demand between DD glazed doughnuts and Krispy Kreme (KK) glazed doughnuts, ηxy2 is the cross elasticity of demand between DD glazed doughnuts and DD French Vanilla coffee, and η I is the income elasticity of DD glazed doughnuts.
a) If you want to increase your sales of glazed doughnuts by 30%, in what direction and by how much do you need to change the price?
b) If you make the percentage price change that you calculated in part a) will total revenue increase or decrease? How do you know?
c) Krispy Kreme lowers its price of glazed doughnuts by 20%. The demand for Dunkin Donuts glazed doughnuts will change by what percentage and in what direction?
d) Dunkin Donuts raises the price of its French Vanilla coffee by 15%. The demand for Dunkin Donuts glazed doughnuts will change by what percentage and in what direction?
e) If average income increases by 5% by what percentage and in what direction will the demand for Dunkin Donuts glazed doughnuts change? Are DD glazed doughnuts a normal good or an inferior good and how do you know?
7. (10 pts.) Westinghouse and General Electric are competing on the newest version of clothes washer and dryer combinations. Two pricing strategies exist: price high or price low. The profit from each of the four possible combinations of decisions is given in the following payoff matrix:
Westinghouse’s price
High ($4000) Low ($2000)
General Electric’s
price High ($4000)
Low ($2000)
Payoffs in dollars of profit.
a) (2 pts.) Which strategy offers both Westinghouse and General Electric the best financial outcome?
b) (2 pts.) Does either firm have a dominant strategy? If yes, which firm and what strategy?
c) (4 pts.) The Nash equilibrium is for Westinghouse to set its price at __________ and earn a profit of __________ and for General Electric to set its price at ______________ and earn a profit of _____________.
d) (2 pts.) Why do we see that the strategy that results is not the strategy that offers both players the best financial outcome?

Math Problem Sample Content Preview:
MBA 540 Mid-term Exam
1. (10 pts.) Stella Ann Freeman is having a difficult time deciding whether or not to purchase a new car. How would understanding the concept of opportunity costs help her make a decision?
2. (10 pts.) Referring to the table below, hiring a driver costs $10. Each machine costs $100. Which method should he use and why?
* To determine the cheapest method among the four options, it would be necessary to find out the costs of each option first. The following provides for the costs of each option:
Ї Method 1 = (20 x $10) + (10 x $100) = $1200
Ї Method 2 = (50 x $10) + (2 x $100) = $700
Ї Method 3 = (100 x $10) + (0 x $100) = $1000
Ї Method 4 = (10 x $10) + (12 x $100) = $1300
By comparing all of the four combinations, it could be seen that Method 2 is the cheapest. Hence, he should use Method 2.
3. (10 pts.) Enron will be an example of a dysfunctional company for many years to come. It was clearly a company riddled with fraud and excess, and its conduct drove it into bankruptcy. The text argues that individual behavior was not at the core of Enron’s problems. What were the problems with this corporation from an organizational architecture point of view?
4. (10 pts.) For many corporations, such as utility companies, a major portion of the cost of production is fixed in the short run. Should these very high fixed costs be ignored when the executives are making output and pricing decisions? Why?В 
* In making output and pricing decisions, the Executives of a company cannot ignore the fixed costs in the long run. Rather, fixed costs must only (if necessary) ignore in the short run. This is because, in the short run, the revenues generated by the company help cover the variable costs of operating the company. However, in the long run, the company would also have to cover the fixed costs in order to maintain its operability and functionality. In other words, if the company cannot cover the fixed costs, in the long run, it would lose money and could result in bankruptcy. Additionally, it must be noted that when considering these costs, their concepts, so-called “sunk costs”, are resources that are already spent by the company and cannot be recovered. Therefore, executives should also take into consideration the nature and the presence of sunk costs when determining both the output and price calculations.
5. (10pts.) Choose a real-life example of a firm that you think is part of an oligopoly market and describe the characteristics of the market structure that explain why the firm would be classified as such.
6. (10 pts.; 2 pts each) You are the manager for Dunkin Donuts and know the following elasticities:
О·= 1.5О· I = 1.2О· xy1 = 0.5О· ...
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