03 Jun Question Part I: Short-Answer Questions (4 marks each) 1.
Question
Part I: Short-Answer Questions (4 marks each)
1.
The Kelowna Police Department must decide how to allocate 500 police officers between West
Kelowna and Central Kelowna. The following table provides the estimates of total arrests
corresponding to different numbers of police officers allocated in each region. If police can be
deployed only in groups of 100 officers, how should the police department allocate its officers
between the two regions? Explain your answer.
Number of Police Officers
0
100
200
300
400
500
West Kelowna
Total Arrests
0
40
80
120
160
200
Central Kelowna
Total Arrest
0
45
80
105
120
125
2.
A firm purchases capital and labour in competitive market at price of r = $6/machine-hour and w =
$4/labour-hour, respectively. With the firms current input mix, the marginal product of capital is
12kg/machine-hour and the marginal product of labour is 18kg/labour-hour. Is the firm minimizing
its costs? Explain your answer with the use of an appropriate diagram.
3.
If you are travelling though a remote small town, you may notice that vending machines are
uncommon. The local bowling alley has an attendant to sell chips and pop, as does the gas station.
In large urban centres, on the other hand, vending machines are much more common. Explain this
using the notion of relative input prices and isoquants.
Part II: Problems
1. (10 marks) Consider a population consisting of two types, cooperators and defectors. Each
individual interacts with a randomly chosen member of the population. When two cooperators
interact, each earns a payoff of 6. When two defectors interact, each gets a payoff of 4. When a
cooperator and a defector interact, the former gets a payoff of 0 whereas the latter gets a payoff of 8.
a) Summarize the situation described above in the game matrix where two individuals, X and Y,
decide whether to cooperate or to defect. What is a Nash equilibrium (equilibria) for this game?
b) Let c be the population share of Cooperators. What will be the equilibrium population share of
each type? Illustrate your answers in a diagram with population share of cooperators on the
horizontal axis and expected payoffs on the vertical axis.
Suppose that goggles are available, at the cost of 1 per pair, which enables the wearer to identify each
persons type with certainty.
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