How Many Different Pairwise Comparisons Are Needed to Learn the Outcome

question 99

Multiple Choice

How many different pairwise comparisons are needed to learn the outcome of an election involving n = 5 candidates?

• A)30
• B)40
• C)10
• D)20

---

Definitions:

Competitive Market

A competitive market is a market structure characterized by a large number of buyers and sellers, where no single entity has the power to influence market prices significantly.

Free-rider Problem

A situation where individuals benefit from resources, goods, or services that they do not pay for, which can lead to underproduction or depletion of those resources.

Rivalry

The competitive relationship between firms in the market, striving to gain advantage over each other in terms of sales, market share, or innovation.

Nonexcludable

A characteristic of a good or service whereby it is not possible to prevent people who have not paid for it from having access to it.