If a product such as cement or bricks is costly to ship and, therefore, markets are very localized, the national concentration ratio for that industry

A) will be greater than 50 percent.
B) may understate the degree of monopoly.
C) may overstate the degree of monopoly.
D) will yield an accurate impression of the degree of monopoly.

Concentration Ratio

A measurement of the market share or output controlled by the largest firms within an industry, used to assess the level of competition.

Costly to Ship

Refers to items or materials that are expensive to transport, typically because of their weight, size, or special handling requirements.

Degree of Monopoly

Measures the level of market control and price-setting power possessed by a monopolist.