does dynamic panel work with gmm if dynamic gmm is dynamic gmm which gmm model is used in dynamic panel models? can you test a dynamic panel model can you use dynamic panel model in stata why use dynamic model versus gmm is dynamic panel model gmm what is dynamic panel data why not use unit root in a dynamic panel how to use dynamic model in econometrics why use dynamic panel model why use dynamic model what type of data can be dynamic panel modeling what is gmm in stata can dynamic panel model be used with gmm stata data? why use dynamic panel model can dynamic panel be tested with gmm data how to do unit root test for gmm what is dynamic panel what is dynamic panel