Because people overreact to rare events, they're useful catalysts for social introspection and policy change.
Our brains aren't very good at probability and risk analysis, especially when it comes to rare events.
And the Black Swan is a famous book about extremely rare events that most financial models cannot predict.
The theory, developed by Nassim Taleb, is about the occurrence of rare events that affect the securities markets.
But rare events like those that effect Tysabri are harder to pin down.
These two rare events occurred in late January for Discover Financial Services (DFS).
Two rare events happening at approximately the same time is much more unlikely.
Both journalists and physicians, Wood notes, are more impressed by rare events, such as liver failure, that can be clearly associated with a drug.
As circular as it sounds, rare events are rare primarily because they don't occur very often, and not because of any preventive security measures.
If you want to do something that makes security sense, figure out what's common among a bunch of rare events, and concentrate your countermeasures there.
We exaggerate spectacular rare events, and downplay familiar and common ones.
By this week it had become a flaming political row in Spain, and one of the rare events to prod the European Union into almost instant reaction.
Insurers should construct worst-case scenarios for rare events.
Here, then, is a retrospective look at some of the scariest side effects to crop up over the past 12 months--from rare events like liver failure or brain-wasting diseases to more common ones such as heart attacks or strokes.
Such a drastic change in our rating on a company is possible only when two rare events occur simultaneously: (1) the business accomplishes a dramatic improvement in its underlying economics, and (2) the market price fails to recognize the turnaround.
And while Facebook already has an events feature, UpTo says that the tool is used predominantly for rare mega events or for spamming all your contacts, not for making more casual plans.
As a result, California will see the most rare of events in the state: a drop in taxes.
Consumers are prone to make impulse purchases at historic and rare sporting events.
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In response, insurers are typically investing in more sophisticated risk analytics tools to improve the measurement of rare risk events that can severely affect their portfolios.
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Mr. Taleb is fascinated by the rare but pivotal events that characterize life in the power-law world.
The cliff comes about because of a rare confluence of events.
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On the latter point, Healy is referring to the findings of rare but serious adverse events associated with bisphosphonates.
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Such events are rare, but not unprecedented.
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Of course, one of the reasons Plait is skeptical is just the fact that the events are so rare.
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There is a possibility that a powerful solar flare could cause serious harm to satellites, but such potential events are pretty rare.
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Although the beneficial effects of high-potency statins have been well-characterized in clinical trials, these same trials have lacked the power to illuminate rare but potentially important adverse events.
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Some events are exceedingly rare, but may have consequences large enough to pose truncation risk on a business enterprise, such as Long Term Capital Management in the late 1990s.
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Historical data on catastrophic events are understandably rare.
The most common security hazards are "bandit" runners who jump on the course without registering - or racers who take shortcuts, and for the most part, mass violence at sporting events is exceptionally rare across the world.
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