Cost containment would be ineffective and have perverse results.

It invariably has perverse results - or so the argument goes.

Others must meet an income test that, while well intentioned, yields perverse results.

A perverse result is that the federal government now punishes states for having higher standards.

Indeed, a switch to a consumption tax might even have perverse results.

This perverse result occurred in the Presidential elections of 1876 and 1888.

Democracy, a good system that is following its normal rules, is producing a perverse result.

But the medical association said mandatory reporting could "have the perverse result of driving errors underground."

But it would have perverse results in practice, for four reasons:

The perverse result of the new rule in such a case would be a company's decision not to disclose at all.