1.   Rising expectations are driving up demand for gasoline, a finite commodity.

2.   As inflation rose, business and labor alike would hedge against it by driving up prices and wages.

3.   Banks may be tempted to outbid each other on rates, driving up their cost of funds and squeezing their margins on loans.

4.   Besides, they complained, driving up interest rates amounts to an unfair assault on vulnerable workers and an unseemly giveaway to rich bondholders.

5.   A new crop of computers with improved graphics and sound have proved popular with children -- and their parents -- driving up sales of software for the home.

6.   A strong economy could prompt the Federal Reserve to raise interest rates later this year, driving up the costs of borrowing for businesses.

7.   Bruno has long argued that the rent laws discourage the building of new houses, worsening the housing shortages and, paradoxically, driving up rental prices.

8.   Business groups, and their Republican allies in Congress, argue that this could result in tighter regulations in the United States, driving up their costs.

9.   But they are also a symptom of more investors chasing a limited number of shares, driving up the price of the bet.

10.   Coleman also has seen how the new market is driving up prices.