Which of the following statements about the beer industry is correct?

Which of the following statements about the beer industry is correct?

A) Over the last 30 years, technological change has resulted in substantial diseconomies of scale in the industry.
B) In 2000, the minimum efficient scale in the industry was approximately 18 million barrels per year.
C) As a result of an increase in the number of microbreweries, the five largest firms in the industry control less than 50 percent of the market.
D) The market share of microbreweries was estimated to be 20 percent in 1990.

ANSWER

B