Unintended consequence

Unintended consequences can be either

What causes this phenomenon

Much of this phenomenon is a result of the world's complexity.

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Also a certain amount can be attributed partly or entirely to human stupidity, self-deception or other cognitive biases or emotional biases.

Related Topics:
Stupidity - Self-deception - Cognitive bias - Emotional bias

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The most common kind of unintended consequences arises from perverse incentives, a term for an incentive that has the opposite effect to that intended. See the article on perverse incentives for many examples of this.

Related Topics:
Perverse incentive - Incentive

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