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  2. Cancellation (insurance) - Wikipedia

    en.wikipedia.org/wiki/Cancellation_(insurance)

    There are three typical calculation methods: pro-rate, or using a penalty method such as short period rate (old short rate), and short period rate (90% pro rata). The return premium is generally calculated using a wheel calculator, a type of circular slide rule or an online version. [ 1 ]

  3. Short rate - Wikipedia

    en.wikipedia.org/wiki/Short_rate

    Short rate may refer to: Short rate cancellation (insurance), a penalty method of calculating return premium of an insurance policy; Short rate table, used to calculate the earned premium for such a policy; Short-rate model (interest), a mathematical model that describes the future evolution of interest rates by describing the future evolution ...

  4. Short-rate model - Wikipedia

    en.wikipedia.org/wiki/Short-rate_model

    Short rate models are often classified as endogenous and exogenous. Endogenous short rate models are short rate models where the term structure of interest rates, or of zero-coupon bond prices (,), is an output of the model, so it is "inside the model" (endogenous) and is determined by the model parameters. Exogenous short rate models are ...

  5. Utility ratemaking - Wikipedia

    en.wikipedia.org/wiki/Utility_ratemaking

    With declining block rates, the per-unit price of utility consumption decreases as the energy consumption increases. Typically a declining block rate is offered only to very large consumers. If conservation is the goal, regulators can promote conservation by letting prices rise. A third possible rate design is a flat rate which charges the same ...

  6. Moore's law - Wikipedia

    en.wikipedia.org/wiki/Moore's_law

    Certainly over the short term this rate can be expected to continue, if not to increase. Over the longer term, the rate of increase is a bit more uncertain, although there is no reason to believe it will not remain nearly constant for at least 10 years. [1]

  7. Loan shark - Wikipedia

    en.wikipedia.org/wiki/Loan_shark

    A loan shark is a person who offers loans at extremely high or illegal interest rates, has strict terms of collection, and generally operates outside the law, often using the threat of violence or other illegal, aggressive, and extortionate actions when seeking to enforce the satisfaction of the debt. [1]

  8. Payday loan - Wikipedia

    en.wikipedia.org/wiki/Payday_loan

    This is an accepted version of this page This is the latest accepted revision, reviewed on 17 January 2025. Short-term unsecured loan A shop window in Falls Church, Virginia, advertising payday loans. A payday loan (also called a payday advance, salary loan, payroll loan, small dollar loan, short term, or cash advance loan) is a short-term unsecured loan, often characterized by high interest ...

  9. Vasicek model - Wikipedia

    en.wikipedia.org/wiki/Vasicek_model

    A trajectory of the short rate and the corresponding yield curves at T=0 (purple) and two later points in time. In finance, the Vasicek model is a mathematical model describing the evolution of interest rates. It is a type of one-factor short-rate model as it describes interest rate movements as driven by only one source of market risk.