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An omitted variable is a variable that: 1. is purposely left out as it does not aid an economic analysis. 2. is removed from a study as it can lead to the problem of reverse causality. 3. does not cause other variables in a study to change when it changes. 4. has been left out, and if included, would explain why the variables considered in a study are correlated.

Respuesta :

Answer:

The correct answer is 4

Explanation:

OVB stands for the Omitted Variable bias, is the term which is defined as the any variable which is not involves or included as the independent variable in the regression, which could influence or impact the variable that is dependent.

From the above options, the omitted variable is the variable which is defined as the which has been left out, if involves, will state the reason why the variable will be considered in the study are correlated to each other.