1.   Competitive bidding by buyers will push the price up toward the equilibrium level.

2.   More potential buyers in general could push prices for radio stations higher.

3.   The distributors and the wholesalers all get their cut, and this is what pushes up the price.

4.   They created a fake cultural image, producing nice books, and incited a boom by pushing prices up.

5.   Trading was sluggish as aerospace, defense and oil stocks pushed prices yesterday.

6.   House sales are increasing again, which in turn is starting to push up prices.

7.   The big multinationals moved in and started pushing up prices.

8.   And certainly if you keep housing numbers in short supply, the only effect will be to push land prices even higher.

9.   This action will help to push the prices up even more.