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Credibility theory is a branch of actuarial mathematics concerned with determining risk premiums. [1] To achieve this, it uses mathematical models in an effort to forecast the ( expected ) number of insurance claims based on past observations.
In credibility theory, a branch of study in actuarial science, the Bühlmann model is a random effects model (or "variance components model" or hierarchical linear model) used to determine the appropriate premium for a group of insurance contracts. The model is named after Hans Bühlmann who first published a description in 1967.
Most trainee actuaries study while working for an actuarial employer using resources provided by ActEd (The Actuarial Education Company, a subsidiary of BPP Actuarial Education Ltd.), which is contracted to provide actuarial tuition for students on behalf of Institute and Faculty Education Ltd (IFE), a subsidiary of the Institute and Faculty of ...
Validity is based on the strength of a collection of different types of evidence (e.g. face validity, construct validity, etc.) described in greater detail below. In psychometrics , validity has a particular application known as test validity : "the degree to which evidence and theory support the interpretations of test scores" ("as entailed by ...
An actuary is a professional with advanced mathematical skills who deals with the measurement and management of risk and uncertainty. [1] These risks can affect both sides of the balance sheet and require asset management, liability management, and valuation skills. [2]
For example, if a set of weighing scales consistently measured the weight of an object as 500 grams over the true weight, then the scale would be very reliable, but it would not be valid (as the returned weight is not the true weight). For the scale to be valid, it should return the true weight of an object.
The Academy is often asked by the National Association of Insurance Commissioners (NAIC) to provide input on actuarial issues, and has provided the NAIC with a number of reports and statements. [8] On occasion, the Academy has submitted amicus briefs on court cases that are of interest to the actuarial profession. [9]
Actuarial science – discipline that applies mathematical and statistical methods to assess risk in the insurance and finance industries. What type of thing is ...