Formalization makes it easier to compare like with like, and decreases the chance of the introduction of systematic error into a new investigation based on reusing information from another.

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Once, wrongful convictions because of lawyer error stood a good chance of being overturned on appeal, especially in death-penalty cases.

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But against that possibility investors should balance the fact that they stand a better than 50% chance of having 20-30% more money even at the highest level of tracking error.

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Taking responsibility for an error earns the privilege of being forgiven, and thus granted a second chance.

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