If the Five-Firm Concentration Ratio in an Oligopolistic Industry Is

question 31

Multiple Choice

If the five-firm concentration ratio in an oligopolistic industry is 100 percent and each firm has an equal share of the market,the Herfindahl-Hirschman Index is:

• A)10,000.
• B)2,000.
• C)2,500.
• D)400.

---

Definitions:

One-tailed Test

A statistical test in which the region of rejection is on only one side of the sampling distribution, used when predicting the direction of a potential difference or relationship.

Sample Size

The number of observations or subjects selected from a population for a study.

T Distribution

A statistical distribution used when the sample size is small and the population standard deviation is unknown.

One-tailed Test

A hypothesis test in which the region of rejection is on only one side of the sampling distribution, used when assessing the direction of a relationship.