a. the price wars that sometimes occur in oligopolies
b. the ability of firms in an oligopoly to extract the entire consumer surplus
c. the collusive behavior that sometimes occurs in an oligopoly
d. the failure of firms in non-competitive industries to maximize profits
e. an irrational behavior that occurs in competitive markets
When drawing a production possibilities frontier, all of the following are usually
assumed except one. Which is the exception?
a. The quantity of resources is rapidly growing.
b. Technology is fixed.
c. Resources can be shifted between production of the two goods.
d. The production possibilities frontier is drawn for a particular time period.
e. Resources are fully and efficiently employed.
Mountain bikers and rollerbladers share the only trail in a city park. The city allows
everybody into the park and onto the trail. The mountain bikers say the rollerbladers are
a hazard to them; the rollerbladers say it’s the other way around. Frequently there are
collisions and many injuries occur. Which of the following ways of dealing with the