Intentional Vagueness

Andreas Blume, Oliver Board

Research output: Contribution to journalArticlepeer-review

31 Scopus citations


This paper analyzes communication with a language that is vague in the sense that identical messages do not always result in identical interpretations. It is shown that strategic agents frequently add to this vagueness by being intentionally vague, i.e. they deliberately choose less precise messages than they have to among the ones available to them in equilibrium. Having to communicate with a vague language can be welfare enhancing because it mitigates conflict. In equilibria that satisfy a dynamic stability condition intentional vagueness increases with the degree of conflict between sender and receiver.

Original languageEnglish (US)
Pages (from-to)855-899
Number of pages45
Issue numberS4
StatePublished - 2014

ASJC Scopus subject areas

  • Philosophy
  • Logic


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