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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 ?
Larwood and LaGrande (2004) evaluated the impact of Deaf Role Models in Early Intervention Programs for deaf and hard of hearing infants and toddlers.
The data are insufficiently informative to allow a clear choice among alternative estimated models for either natural rate.
The dexel model (line segment representation) enables efficient geometric reasoning and can quickly provide complete con figuration results, including not only a component model but also models of the cover die, ejector die, undercut, slide and die bases.
In this section, we discuss statistical assumptions and models for analyzing the data from a simple CIPM key comparison to determine the key comparison reference value, the degrees of equivalence, and their associated uncertainties.
Because both models account for the unique characteristics of ESOs, both typically produce values substantially below those derived from the BSM model or the BSM model with FAS 123 modifications.
The National Model emphasizes these characteristics as well as efficiency and effectiveness.
But several astronomers now say that this model for making planets may not be entirely correct.
The two KitchenAid models I tested, the K5SS and the K45SS, were outstanding as well, although the Rival's dough hook is better designed and kneaded bread dough quicker.
Applications: PET or PEN, certain models optimized for small bottles or for jars.
Perhaps to overcome the deficiency noted above, variations of V-shaped models have lately become prevalent within industry systems-engineering frameworks, including the first international consensus systems engineering standard (ISO/IEC-15288, released in 2002).
Over time, the ability of genetically modified mouse models to serve as living instruments for both in vivo and molecular research has earned them a prominent niche in contemporary efforts to integrate genetics and genomics with classic toxicology.

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