A decline in the value of the dollar may not be the "silver bullet" the U.S. government was hoping for to boost the U.S. economy. Instead of importing less, businesses may simply shift orders to cheaper suppliers in China, one economist says. "Foreign companies are not interested in trade balances. They're interested in market share and profits. If they need to keep their prices down to maintain market share, they'll do that," said William Alterman, assistant commissioner for international prices at the Bureau of Labor Statistics.