71.   But pause a moment while the supposedly inviolate and occasionally harsh market forces are temporarily suspended on behalf of the especially worthy among us.

72.   But of course these, like all other market forces, have a tendency to overshoot somewhat, before they reverse and go the other way.

73.   But one industry expert said market forces are calling the shots at some fertility practices.

74.   But rising margins might represent a rational response to market forces rather than industrywide collusion.

75.   But market forces may make ground-floor prices more equal to those on higher floors.

76.   But still one has to ask whether market forces alone are enough to guarantee good behavior.

77.   But the calculus behind any single pricing decision is complex, and largely shaped by market forces.

78.   But the greatest potential clearly lies in those projects that can unite natural market forces and truly public works.

79.   But the competition is stunted because federal regulators decide, largely independent of market forces, how much the plans charge their enrollees and collect from the government.

80.   But there is a darker side to this triumph of market forces.