The Tinkerbell effect is a term describing things that are thought to exist only because people believe in them. The effect is named for Tinker Bell, the fairy in the play Peter Pan

Peter Pan

Peter Pan is a character created by Scottish novelist and playwright J. M. Barrie . A mischievous boy who can fly and magically refuses to grow up, Peter Pan spends his never-ending childhood adventuring on the small island of Neverland as the leader of his gang the Lost Boys, interacting with...

who is revived from near death by the belief of the audience.

Claimed cases include:

• private property
  Private property
  Private property is the right of persons and firms to obtain, own, control, employ, dispose of, and bequeath land, capital, and other forms of property. Private property is distinguishable from public property, which refers to assets owned by a state, community or government rather than by...
  
  
• the value of a nation's money in a fiat system
• the value of gold
• civil society
  Civil society
  Civil society is composed of the totality of many voluntary social relationships, civic and social organizations, and institutions that form the basis of a functioning society, as distinct from the force-backed structures of a state , the commercial institutions of the market, and private criminal...
  
  
• the "rule of law
  Rule of law
  The rule of law, sometimes called supremacy of law, is a legal maxim that says that governmental decisions should be made by applying known principles or laws with minimal discretion in their application...
  
  "

Reverse Tinkerbell effect

The Efficient Market Hypothesis

Efficient market hypothesis

In finance, the efficient-market hypothesis asserts that financial markets are "informationally efficient". That is, one cannot consistently achieve returns in excess of average market returns on a risk-adjusted basis, given the information available at the time the investment is made.There are...

 is regarded as a case of reverse Tinkerbell effect.

See also

• Brute fact
  Brute fact
  Brute facts are facts which are facts in and of themselves, while institutional facts are considered conventional. Institutional facts require the support of an institution. The term was coined by G. E. M...
  
  
• Consensus reality
  Consensus reality
  Consensus reality is an approach to answering the philosophical question "What is real?" It gives a practical answer: reality is either what exists, or what we can agree seems to exist....
  
  
• Conventional wisdom
  Conventional wisdom
  Conventional wisdom is a term used to describe ideas or explanations that are generally accepted as true by the public or by experts in a field. Such ideas or explanations, though widely held, are unexamined. Unqualified societal discourse preserves the status quo. It codifies existing social...
  
  
• Interdependent origination
• Thomas theorem
  Thomas theorem
  The Thomas theorem is a theory of sociology which was formulated in 1928 by W. I. Thomas :In other words, the interpretation of a situation causes the action. This interpretation is not objective. Actions are affected by subjective perceptions of situations...
  
  
• Bokononism
  Bokononism
  Bokononism is a religion invented by Kurt Vonnegut as a fictional religion, and practiced by many of the characters in his novel Cat's Cradle.It is based on the concept of foma, which are defined as harmless untruths...