Exogenous

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Exogenous

Describes facts outside the control of the firm. Converse of endogenous.

Exogenous

1. Describing anything outside a company's control. For example, a company may fail because of a recession even if it does everything right. In this case, the recession is an exogenous factor.

2. See: Independent Variable.
References in periodicals archive ?
(9,16) Net exports should remain an exogeneous variable in most models attempting to evaluate the impact of the trade deficit.
To test the invariance of [Beta] to the changes in the first moment of DX, which is required for super exogeneity, both [Mathematical Expression Omitted] and [Mathematical Expression Omitted] should be added to (2) and their joint significance tested.(10) In both cases a significant test statistic indicates a rejection of the null hypothesis of D[X.sub.t] being exogeneous for [Beta] in favor of the alternative hypothesis that D[X.sub.t] is not exogeneous for [Beta].
Capurro, "A model for tuberculosis with exogeneous reinfection," Theoretical Population Biology, vol.
Choose the Nonlinear AutoRegressive networks with eXogeneous inputs (NARX) structure using the finite amount of past inputs and past outputs as expressed by the regression function as follows:
Keckes, 2013, "The Real Effects of Financial Shocks: Evidence from Exogeneous Changes in Analyst Coverage," Journal of Finance 68, 1407-1440.
For neoclassical economists, capital is just an input into the process of production (represented in their textbooks as one of the axes on a two-dimensional diagram of isoquants or as one of the exogeneous variables in an aggregate production function).
In the study investigating the association of 5-HT with sciatic pain in patients with lumbar disc herniation in an animal model, the exogeneous 5-HT induced pain related behaviors after it was injected to the nerve root.
Understanding the way endogeneous and exogeneous stimuli such as sex hormones, oral contraceptives, ultraviolet irradiation, and visible light stimulate inflammation in the dermis, leading to the release of various mediators that stimulate angiogenesis and the activation of melanocytes, will help us improve the treatment of this relentless disease.
(2015) develop autoregressive models with exogeneous variables and power transformed and threshold GARCH errors (ARX-PPTGARCH).
(5.) Goldstein, A.H., Involvement of the quino protein glucose dehydrogenase in the solubilization of exogeneous mineral phosphates by gram negative bacteria.
When more exogeneous FA is received than is required by the body urinary excretion is increased and excess FA is eliminated from the body.