Summary
This note investigates various ways of specifying the state-adjustment model. It is shown that the value of the structural parameters depends on the discrete specification although the estimating form remains unchanged. Consequently, it is important that analysis involving those parameters be carried out using estimates obtained in a mutually consistent specification of the model; failures to do so may result in erroneous conclusions.
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I am indebted to P. Simmons, R. Anderson, L. Phlips and an anonymous referee for helpful comments on an earlier draft. It is unlikely that they agree to share the responsability for errors and omissions.
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Weiserbs, D. The discrete specification of the state-adjustment model when the state is unobservable. Empirical Economics 2, 245–251 (1977). https://doi.org/10.1007/BF01760410
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DOI: https://doi.org/10.1007/BF01760410