model

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Model

Any mathematical formula or other structure that economists use to explain or predict occurrences. Economists test their models with real world facts before they gain wide acceptance, but, even then, there is no guarantee that a model will always be a correct predictor. See also: Model risk.

model

An abstraction of reality, generally referring in investments to a mathematical formula designed to determine security values. Economists also use models to project trends in economic variables such as interest rates, economic activity, and inflation rates.

model

see ECONOMIC MODEL.
References in periodicals archive ?
Using an epidemiological model and the WHO data, it is possible to reverse-engineer the model factors.
In the epidemiological model the infectious agent is heroin, the host and reservoir are both man, and the vector is the drug-using peer.
Predictions of epidemiological models were inaccurate and current control programs and technologies have shown their limitations to control the transmission of the disease.
Using country-level data on deaths and risk factors and epidemiological models, Professor Majid Ezzati from Imperial College London, UK, and colleagues estimate the number of deaths that could be prevented between 2010 and 2025 by reducing the burden of each of the six risk factors to globally-agreed target levels -- tobacco use (30% reduction and a more ambitious 50% reduction), alcohol use (10% reduction), salt intake (30% reduction), high blood pressure (25% reduction), and halting the rise in the prevalence of obesity and diabetes.
Over the last 10 years, the number of ticks and tick-borne diseases has considerably increased, causing a sudden soar in those human diseases transmitted by forest ticks, such as rickettsiosis, anaplasmosis, and encephalitis; it thus appeared really important to develop epidemiological models linking three key elements:
The transmission of tuberculosis in confined spaces: an analytical review of alternative epidemiological models.

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