Newey, W.K., Ramalho, J.J.S. & Smith, R. J. (2005). Asymptotic bias for GMM and GEL estimators with estimated nuisance parameters. In Andrews, D.W.K.; Stock, J.H. (Ed.), Identification and Inference for Econometric Models: Essays in Honor of Thomas Rothenberg. (pp. 245-281).: Cambridge University Press.