time-invariant covariates in transition mixed effects models

What is it about?

Effects of time-inavriant covariates in the estimation of longitudinal trends The importance of handling the initial conditions problem in transition mixed effects models

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Why is it important?

In practice, there are many time-invariant covariates which omitting them from the model may cause inconsistency in the presence of endogeneity problem in transition mixed effects models

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