Since the 1980s, Wal-Mart stores have appeared in almost every community in America. Wal-Mart buys their goods in large quantities and therefore at cheaper prices. Wal-Mart also locates its stores where land prices are low, usually outside of the community business district. Many customers shop at Wal-Mart because of low prices and free parking. Local retailers, like the neighborhood drug store, often go out of business because they lose customers. This story demonstrates that:
A. consumers are boycotting local retailers.
B. Wal-Mart engages in illegal acts of monopolization.
C. there are diseconomies of scale in retail sales.
D. there are economies of scale in retail sales.
E. Wal-Mart is managed by ruthless business people.
Answer: D
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