What Are Exogenous Variables. Exogenous comes from the Greek word exo meaning outside and gignomai meaning to produce. Exogenous variable see also endogenous variable. An exogenous variable is a factor that is outside of a given economic model. In other words one variable within the formula doesnt dictate or directly correlate to a change in another.
On the other hand a variable is said to be endogenous if its value is determined by other variables. 3 Exogenous Variables of Tourism. Variables like weather farmer skill pests and availability of seed are all exogenous to crop production. A factor whose value is determined by factors or variables outside the causal system under study. 1 for example the model does not explain the variability in maternal educational level and parental income. Its name derives from the Greek words exo meaning outside and gen meaning born.
Exogenous variables generated without are variables coming from outside and not explained by the model.
These include demographic and social trends. A factor in a causal model or causal system whose value is independent from the states of other variables in the system. How would we get to know which variable. It often has an impact on the outcome of the model or how certain situations turn out but it isnt usually determinative in its own right and changes in the model dont usually impact it. 1 for example the model does not explain the variability in maternal educational level and parental income. This means that an exogenous variable has a one way relationship with the model in question it influences or impacts that model AND is not affected by the model.