asymmetry

ay-SIM-uh-tree /eɪˈsɪm.ə.tri/
nounC1GREGMATCAT
academicformal

A lack of equality, balance, or equivalence between parts, factors, or actors in a strategic setting.

Most commonly used in economics as 'information asymmetry,' where one actor holds secret or superior data.

The story behind the word. From Greek 'asymmetria', where 'a-' means 'without' and 'symmetria' means 'due proportion'. It entered scientific and mathematical usage to denote unequal proportion before economics applied it to informational imbalances.

Word relationships

  • disparity: 'Disparity' emphasizes a difference in quantity or amount, whereas 'asymmetry' stresses imbalance in structure or knowledge.
  • imbalance: 'Imbalance' is a broader term for lack of proportion, while 'asymmetry' often carries technical economic precision.
  • symmetry: 'Symmetry' denotes perfect balance and equality between sides or participants.

Commonly confused with

  • anarchy: 'Anarchy' means absence of government, while 'asymmetry' means imbalance between factors or actors.

Word family

  • asymmetric (adjective): Lacking symmetry or balance.
  • asymmetrically (adverb): In an asymmetric manner.

Collocations

  • information asymmetry
  • power asymmetry
  • structural asymmetry
  • glaring asymmetry

Idioms & expressions

  • unequal playing field

Example sentences

  • "Information asymmetry occurs when one party to a transaction possesses greater material knowledge than the other." Information Economics
  • "The military drone introduced a major asymmetry into battlefield surveillance capabilities." Defense Strategy

Memory hook

A-SYMMETRY means WITHOUT (A-) SYMMETRY or equal measure. Unequal knowledge or power.

When not to use

Do not use when describing minor temporary disagreements; it refers to structural imbalance in power or knowledge.

Fun facts

  • George Akerlof, Joseph Stiglitz, and Michael Spence won the 2001 Nobel Prize for analyzing markets with asymmetric information.

Related words

zero-sum, strategic

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