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The foundations of finite sample estimation in stochastic processes
Department of Statistics and Actuarial Science, University of Waterloo Waterloo, Ontario, N2L 3G1, Canada
The Gauss-Markov theorem on least squares for linear models derives its general applicability because it depends on the underlying distribution only through the first two moments. In this paper, a similar theorem is established within the context of stochastic processes. Various problems of finite sample estimation are solved by application of this theorem.
Key Words: Conditional least squares Estimating function Finite sample optimality Likelihood function Observed Fisher information Score function