Advertising for Milk and Beef is usually done by
A) interest groups that represent the whole industry.
B) a single firm in the market.
C) a small set of firms in a market.
D) It is not done because it doesn't pay to advertise homogeneous products.
Question 2
If only one firm operates in a market, and a potential entrant is blockaded from entering the market, then the incumbent firm must
A) have acted to prevent entry.
B) be pricing where price equals marginal cost.
C) be a natural monopoly.
D) be the Stackelberg leader.
Many mothers pump their breast milk so that fathers can be involved in infant feedings
The most polygynous primates live in groups with many more females than males.
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