31.   A shrinking surplus could have exactly the opposite effects over the long term, many economists warn.

32.   A weaking yen, of course, produces the opposite effect.

33.   But a bad trip, or a poorly chosen one, can have the opposite effect.

34.   But a phone call from Republican National Committee Chairman Haley Barbour had the opposite effect on Arizona House Speaker Mark Killian, who killed the bill.

35.   But critics say it could have exactly the opposite effect.

36.   But her order has had the opposite effect.

37.   But if rising oil prices hurt at the gas pump, they have the opposite effect on the shares of oil companies.

38.   But it actually has the opposite effect.

39.   But it also might have the opposite effect.

40.   But it has turned out to have exactly the opposite effect.