n 2015, poultry farmers were able to sell cage-free eggs for a price that more than offset the higher costs of raising cage-free chickens. by 2019, most of that higher return had been wiped out by the entry of additional farmers into the cage-free egg market, which caused the price of those eggs to decline. this example indicates that in a competitive market,

Economic fundamentals show that when businesses compete for customers, the result is cheaper pricing, better goods and services, more variety and more creativity. Not just in market segments, but also in labour markets, competition is essential. Businesses that want to retain employees must raise pay and upgrade working conditions.

There is evidence that markets in the United States have become less competitive and more concentrated across a wide range of industries. These trends toward greater concentration have a number of causes, including technological change, the growing importance of "winner take all" markets and laxer government regulation.

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