There is no forward guidance that can reduce nominal interest rates, but does that mean forward guidance is impotent.
But a chief risk officer is impotent if he is nothing more than a glorified compliance chief, as is still the case at many banks.
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For example it's difficult (though not impossible) to argue that the policy is both impotent and inflationary.
In the process your brand is rendered impotent in terms of sustainability.
And this is why this association argument is so weak and impotent.
On the night of Mrs Clinton's defeat in Iowa, in retrospect the moment when her campaign was holed below the waterline, the account of her impotent fury is, to put it mildly, unsettling.
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His strength is legendary, but when it comes to matters of love, he's... well, impotent. (Hercules is also without benefit of modern pharmacology.) He does, however, have the goddess Venus at his disposal, and she's anxious to help him with his love life.
But since 2011 a simple majority has sufficed (a supermajority is still needed to approve any tax rises), which is why the Republicans were reduced to impotent grouches during the recent debate.
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The opposite theory is that Mr Brown will be beholden and thus impotent.
It also renders conventional monetary policy impotent, as the interest rate that prevents too much saving is below zero.
In the U.S., our own unemployment rate, while still half of that in Spain or Greece, is unlikely to fall while growth in the U.S. remains anemic and policymaking impotent.
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But even if the dilemma of Somalia is insoluble, it should not deter Western nations from efforts to defeat the pirates or at least render them impotent to threaten Western interests.
Officially, Ethiopia is making good on a promise to quit, signed at peace talks in Djibouti last month between Somalia's impotent transitional government and moderate Islamists.
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