why use gmm instead of mle why use gmm why use gmm what makes gmm more appropriate when should one use generalized method of moment what technique is gmm used for what is generalized method of moment when should gmm be used what is gmm technique what makes gmm more appropriate than other estimation techniques when should gmm be used what is gmm technique used for in econometrics which methods should gmm be used when should one consider using gmm when should one consider using generalized method of moments technique? what is the generalized method of moments method how to use gmm in a econometrics why use gmm technique why use the generalized method of moment technique? when is econometrics used