Incidence may refer to:

Economics

  • Benefit incidence, the availability of a benefit
  • Expenditure incidence, the effect of government expenditure upon the distribution of private incomes
  • Fiscal incidence, the economic impact of government taxation and expenditures on the economic income of individuals
  • Tax incidence, analysis of the effect of a particular tax on the distribution of economic welfare

Mathematics

  • Incidence algebra, associative algebra used in combinatorics, a branch of mathematics
  • Incidence geometry, the study of relations of incidence between various geometrical objects
  • Incidence (geometry), the binary relations describing how subsets meet
  • Incidence (graph), in graph theory, a quality of some vertex-edge pairs
  • Incidence list, a concept in graph theory
  • Incidence matrix, a matrix that shows the relationship between two classes of objects
  • Incidence structure, a feature of combinatorial mathematics
  • Cumulative incidence, a measure of frequency

Other uses

  • Angle of incidence, a measure of deviation of something from "straight on"
  • Incidence (epidemiology), a measure of the risk of developing some new condition within a specified period of time
  • Plane of incidence, relating to optical reflection
  • Incidence (video game), a minimalist golfing style game by ScrollView Games

See also

  • Incidents, 1987 book
  • Incident (disambiguation)