Hand rule: Difference between revisions
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imported>Yi Zhe Wu (New page: "Hand rule" is a rule of adjudicating negligence in tort lawsuits, devised by Judge Learned Hand. ==The rule== The hand rule can be formulated simply as follows, <math> B<PL</ma...) |
imported>John Stephenson ({{subpages}}) |
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'''Hand rule''' is a rule of adjudicating negligence in [[tort]] lawsuits, devised by Judge [[Learned Hand]]. There are also [[left hand rule]]s and [[right hand rule]]s in engineering and physics. | |||
==The rule== | ==The rule== | ||
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<math> B<PL</math> | <math> B<PL</math> | ||
In the formula, B denotes the cost of necessary precautions to prevent the accident that would trigger a tort lawsuit, while P is the probability of such accident, and L is the loss from the accident. PL, then, is the expected loss. If as the formula states, the cost of precaution is smaller than expected cost, then the party must exercise that precaution and is liable of the loss if the precaution was not exercised. | In the formula, B denotes the cost of necessary precautions to prevent the accident that would trigger a tort lawsuit, while P is the probability of such accident, and L is the loss from the accident. PL, then, is the expected loss. If as the formula states, the cost of precaution is smaller than expected cost, then the party must exercise that precaution and is liable of the loss if the precaution was not exercised. | ||
Latest revision as of 02:33, 6 February 2010
Hand rule is a rule of adjudicating negligence in tort lawsuits, devised by Judge Learned Hand. There are also left hand rules and right hand rules in engineering and physics.
The rule
The hand rule can be formulated simply as follows,
In the formula, B denotes the cost of necessary precautions to prevent the accident that would trigger a tort lawsuit, while P is the probability of such accident, and L is the loss from the accident. PL, then, is the expected loss. If as the formula states, the cost of precaution is smaller than expected cost, then the party must exercise that precaution and is liable of the loss if the precaution was not exercised.