So, he quit pushing the book, which no doubt reduced sales over time.

The relative strength of the dollar in foreign exchange reduced sales by a percentage point.

The company conceded that this would reduce sales and profits.

It makes American exports more expensive abroad, which can reduce sales.

The government can put a tax (or do something to reduce sales) on items that are bad for society.

Higher prices, they say, will reduce sales, causing even more small farms to go out of business.

Then came the fear of mad cow disease, which reduced sales 20 to 30 percent further.

That way, environmental damaging production simply costs the consumer more and reduce sales.

A wet summer in Europe also reduced sales of ice cream, a major product sector, the company said.

Washington further undertook to reduce military sales to Taiwan over time.