%0 Journal Article
%T Optimal estimation under biased allocation of treatments
%J Biometrika
%D 1993
%A Godambe, V. P.
%A Kunte, S.
%V 80
%N 4
%P 797-806
%X SUMMARY This paper provides a semi-parametric solution to a problem proposed by Robbins & Zhang (1991). The solution is obtained utilizing the theory of optimum estimating functions (Godambe & Thompson, 1989). Our solution coincides with maximum likelihood estimation for the parametric model suggested by Robbins & Zhang (1991). Even for alternative models investigated in this paper, the efficiency of our estimation appears very close to that of maximum likelihood estimation.<p />
%G 
%I Oxford University Press
%@ 0006-3444
%U http://dx.doi.org/10.1093/biomet/80.4.797