1.   Declining profit shares and falling output-capital ratios combined to push down the rate of profit.

2.   A dearth of recent new tax-exempt securities sales, along with easing concern about inflation, combined to push munis to expensive levels relative to Treasuries.

3.   A series of factors unrelated to the economy, including supply and demand, have combined to push the cost of building materials lower.

4.   After the winter solstice, these effects combine to push the sunset later.

5.   Few new tax-exempt securities sales, along with easing concern about inflation over the past several days, combined to push munis to expensive yield ratio levels.

6.   In fact, he said, a combination of natural heating and the greenhouse effect could combine to push the world into an episode of rapid warming.

7.   The fall in grape prices, increased labor costs and more recently, the appreciation of the peso, have combined to push their operations into the red.

8.   The low yields and the glut of new securities combined to push yields on many bonds higher in the past few days amid tepid demand.

9.   Plunging corporate earnings, massive layoffs and anemic manufacturing activity have combined to push share prices lower over the past year.

10.   Positive earnings reports and continued bargain hunting combined to push stock prices higher in early trading Thursday.