But now competitors like Fidelity and Schwab have lowered their prices.

At the very least, such moves will challenge competitors to lower costs and improve service.

Some came in and complained because a competitor was lowering prices.

AT&T and its competitors have been lowering prices to retain customers, further reducing profits.

In addition, sales of the company's Duracell batteries have fallen about 5 percent this year as competitors have lowered their prices.

One competitor will lower its price, then others will lower their prices to match.

And the puzzles they are presented with are questions like, "What happens to my market share if a competitor lowers his price?"

For example, a business may want to know whether a competitor will lower their prices in the next quarter.

The competitor will not lower prices.

The most obvious example is when a competitor raises or lowers his prices.