Utilitarianism
Jeremy Bentham’ Utilitarianism
His major work is ‘The principles of morals and
legislation’, 1789, which is divided into three sections:
- Motivation of human beings and the concept of good
and bad – “Nature has placed mankind under the goverence of two sovereign
masters, pain and pleasure. It is for them alone to point out what we shall
do, as well as to determine what we shall do.”
- Principle of Utility – The greatest good for
the greatest number. The most useful course of action if trying to
maximise pleasure and minimize pain. In a given situation, one must examine
the consequential pain/pleasure resultant for all concerned.
- Hedonic Calculus – The Hedonic Calculus
weighs up the pain and pleasure generated by the available moral actions to
find the best option. It considers several factors:
- Intensity
- Duration
- Certainty or uncertainty
- Nearness or remoteness
- Consequences
- Purity
- Extent
If the probable pain of an action out weighs its pleasure
then Bentham says that it is morally wrong.
Weaknesses of Bentham’s utilitarianism
- If 10 rapists were to rape the same woman, then using
the Hedonic Calculus, their pleasure would outweigh the woman’s pain.
Therefore, it would become justifiable. This is called the Swine Ethic.
- Measure e. – Consequences is not measurable because we
do not know how far the consequences will reach. When do we stop?
- There is no protection for the minorities.
John Stuart Mill’s Utilitarianism
Mill criticised Bentham for focussing morality on pleasure
alone, which seemed rather base to him. Thus, he decided to introduce a theory
of utility for the common person , which replaced pleasure for ‘happiness’
(“the greatest happiness for the greatest number”) and moved away from mere
quantity to the quality of happiness as well. Although he believed that the
wellbeing of the individual was of primary concern, happiness is best achieved
when it is subject to the rules that protect the common good.
Mill defined happiness as something which is cultural and
spiritual rather than just physical and distinguished between lower pleasures
and higher pleasures. He famously wrote “It is better to be a human being
satisfied than a pig satisfied, better to be Socrates dissatisfied than a fool
satisfied.”
Weaknesses of Mill’s utilitarianism
- Sidgewick – “In practice it is hard to
distinguish between higher and lower pleasures.” This is due to the
subjectivity of “pleasure”
- WD Ross – “Single-factor” moral theories don’t
work because life is too complex. We have “prima facie” duties. I.e. who would
I save – my son or a man with the cure to AIDS? – My son because my prima
facie duty is to him.
- RM Hare – you would still have to tell the truth
to a mad axe man. It would still be possible to justify slavery – minority
rights not protected.
Comparing Bentham and Mill
|
Bentham |
Mill |
|
“the
greatest good [pleasure] for the greatest number” |
“the
greatest happiness for the greatest number” |
|
Focussed on
the individual alone |
we should
protect the common good |
|
In search
of maximisation of happiness |
|
Atheistic |
|
Hedonic
Calculus (quantitative pleasure) |
Higher/lower pleasures (qualitative) |
Act Utilitarianism
Act utilitarianism uses the outcome of an action to asses
whether it is right or wrong. Thus, there are no necessary moral rules except
one, that we should always seek the greatest happiness for the greatest number
in all situations.
Act utilitarianism is linked to Bentham’s form of
utilitarianism.
Weakness of Act utilitarianism
- It is difficult to predict the consequences
- There is potential to justify any act
- Difficulty in defining pleasure
- There is no defence for the minorities
- It is impractical to say that we should calculate the
morality of each choice
Summary
- Teleological – it is aiming towards a
maximisation of pleasure for the majority. It has an end aim or goal.
- Relative – no notion of absolute
right/wrong, no external source of truth. Nothing in itself is right or wrong.
- Consequential – the consequences of an act
alone determine its rightness/wrongness.
Rule Utilitarianism
Rule utilitarianists believe that rules should be formed
using utilitarian principles for the benefit of society. Strong utilitarians
believe that these derived rules should never be disobeyed. However, weak
utilitarians say that although there should be generally accepted rules or
guidelines, they should not always be adhered to indefinitely.
Rule utilitarianism is commonly linked with Mill.
Weakness of rule utilitarianism
- It is difficult to predict the consequences
- Difficulty in defining what constitutes happiness
- There is no defence for the minorities
Summary
- Deontological – rules take priority.
- Relative – what is right/wrong is established as
the maximisation of pleasure for the particular community/society which it
operates within.
- Consequential – the overall consequences
determine its rightness/wrongness.
Strengths of Utilitarianism
- Supports the notion that human wellbeing is generally
good
- Supports Jesus’ call to treat others as you would have
them treat you
- Consequences affect life, not motives
- Encourages democracy
Weaknesses of Utilitarianism
- Difficult to predict consequences
- The theory disregards motivation and goodwill
- Says that the majority is always right (e.g. Nazis in
WWII)
- Does not protect the minorities
The single criterion for
morality is far too simplistic. Morality cannot rely on pleasure and happiness
alone – life is too complex.