Incidence

Incidence may refer to:

• 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

• 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

• 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

• Incidents, 1987 book
• Incident (disambiguation)