Dolado, Juan José2009-01-082009-01-081990Econometric Theory, 1990, 6, 1, p. 117-1190263-5747https://hdl.handle.net/10016/3404application/pdfengOptimal Instrumental Variable Estimator of the AR Parameter of an ARMA (1.1). Solutionresearch articleEconomÃaopen access