jevons

C2
UK/ˈdʒɛvənz/US/ˈdʒɛvənz/

Technical/Academic

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Definition

Meaning

An economic concept describing a situation where increased efficiency in resource use can paradoxically lead to higher overall consumption of that resource.

An instance of a rebound effect in consumption, often applied in discussions of energy policy, environmental economics, and sustainability. Named after the 19th-century economist William Stanley Jevons.

Linguistics

Semantic Notes

Capitalized 'Jevons' paradox' is the standard form. It is a proper noun describing a specific, observed economic phenomenon.

Dialectal Variation

British vs American Usage

Differences

Concept is identical. In British academic writing, it may be more frequently referenced in its full historical context.

Connotations

In both, carries connotations of unintended consequences, policy failure, and complex system behavior.

Frequency

Extremely low frequency in general language. Exclusively found in advanced economics, environmental studies, and technology policy discourse.

Vocabulary

Collocations

strong
Jevons paradoxJevons effect
medium
to illustrate the Jevonsa classic case of Jevons
weak
counterintuitive Jevonsso-called Jevons

Grammar

Valency Patterns

[The/This] is a clear example of the Jevons paradox.[Subject] demonstrates/illustrates/embodies the Jevons effect.

Vocabulary

Synonyms

Strong

Jevons effect

Neutral

rebound effect

Weak

consumption paradoxefficiency paradox

Vocabulary

Antonyms

conservation effectdirect efficiency savings

Phrases

Idioms & Phrases

  • It's a Jevons situation.
  • Beware the Jevons paradox.

Usage

Context Usage

Business

Discussed in corporate sustainability reports regarding energy-efficient technologies.

Academic

Central concept in ecological economics and energy policy literature.

Everyday

Virtually never used.

Technical

Key term in modeling the environmental impact of technological efficiency gains.

Examples

By Part of Speech

verb

British English

  • The policy risks being Jevonsed if demand isn't simultaneously managed.

American English

  • They worried the new tech would Jevons the entire energy market.

adjective

British English

  • The Jevonsian outcome undermined the carbon targets.

American English

  • We observed a Jevons-like increase in consumption.

Examples

By CEFR Level

B2
  • Improving engine efficiency can sometimes lead to more driving, not less – this is known as the Jevons paradox.
C1
  • The widespread adoption of LED lighting, while reducing energy use per unit of light, has led to a Jevons effect through increased illumination of outdoor spaces and longer burning hours.

Learning

Memory Aids

Mnemonic

Jevons Jaunts: Just Efficient Vehicles Often Need Surprising amounts of fuel.

Conceptual Metaphor

EFFICIENCY IS A LEAKY BUCKET (savings gained in one area leak out as increased consumption elsewhere).

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • Не переводите как 'парадокс Джевонса' без указания фамилии экономиста - это устоявшийся термин. Избегайте описательного перевода, теряющего связь с первоисточником.

Common Mistakes

  • Using lowercase 'j' (always capitalized).
  • Referring to it as a 'theory' rather than an 'observed paradox' or 'effect'.
  • Misspelling as 'Jevon's' (no apostrophe).

Practice

Quiz

Fill in the gap
The fear that making data centres more energy-efficient might encourage their proliferation is a classic example of the paradox.
Multiple Choice

The Jevons paradox primarily describes a relationship between:

FAQ

Frequently Asked Questions

No. It is exclusively a technical term from economics and environmental science, derived from a person's name.

In highly specialized jargon, it can be verbalized (e.g., 'to Jevons a market'), but this is non-standard and very rare.

The 'Jevons paradox' is a specific, strong instance of the 'rebound effect' where the increase in consumption outweighs the initial efficiency gains, leading to higher total resource use.

Only if you are studying advanced economics, energy policy, or environmental sustainability. It is not part of general English vocabulary.