Econometrica: May 1977, Volume 45, Issue 4

Notes and Comments: A Stochastic Optimal Control Technique for Models with Estimated Coefficients

https://doi.org/0012-9682(197705)45:4<1013:ASOCTF>2.0.CO;2-1
p. 1013-1022

Arthur Havenner, Roger Craine

If one is willing to interpret Q [the Goldberger, Nagar, Odeh reduced form coefficient covariance estimate] as a covariance matrix of the random parameter @p around the constant @p, rather than as a covariance matrix of the random estimates @p, then using @p for @p and Q for Q [@p and Q are the mean and covariance matrix of the random parameter @p] will provide an approximate solution to the evaluation of expectations required in our optimal control problem [3, p. 641], italics added).

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