Is called consequentialism to doctrine which states that actions are right or wrong depending on their consequences. A correct action, in this framework, is one that produces good or an amount of good that exceeds the amount of evil.
Consequentialism is part of the field of normative ethics. This division of the ethics analyzes the criteria that can be applied to analyze the correctness or incorrectness of the actions.
The concept of consequentialism was developed by the British philosopher Elizabeth anscome in a test of 1958. The idea is linked to the fact that the effects of action allow compensation for moral dilemmas, since it is understood that the correct thing is that which maximizes the good.
Take the case of lie. On a general level, lying is considered wrong. However, if in a specific situation, a lie would prevent the murder of a person, to mention a possibility, for consequentialism the action of lying would be correct.
In summary, it can be said that, for consequentialism, a action it is good if its consequences are good. Conversely, an action is bad when its consequences are bad. If the consequences of the action are neither good nor bad, meanwhile, said action is irrelevant from the moral point of view.
Between the critics that are usually carried out to consequentialism, the impossibility of knowing the effect of the action in advance and the need to define what is correct and what is incorrect before the development of the action appear.