1. An econometric model consisting of a single equation that relates a dependent variable to one or more independent variables, used for estimation and prediction without accounting for simultaneous equation relationships
The researcher used a single equation model to estimate the relationship between price and quantity demanded.
O pesquisador utilizou um modelo de equação única para estimar a relação entre preço e quantidade demandada.
2. A statistical regression model with one endogenous variable and multiple exogenous variables, often contrasted with simultaneous equation models
A single equation model is simpler to estimate than a system of simultaneous equations.
Um modelo de equação única é mais simples de estimar do que um sistema de equações simultâneas.