The dimensionality of the aliasing problem in models with rational spectral densities

Lars Hansen and Thomas Sargent

No 72, Staff Report from Federal Reserve Bank of Minneapolis

Abstract: This paper reconsiders the aliasing problem of identifying the parameters of a continuous time stochastic process from discrete time data. It analyzes the extent to which restricting attention to processes with rational spectral density matrices reduces the number of observationally equivalent models. It focuses on rational specifications of spectral density matrices since rational parameterizations are commonly employed in the analysis of the time series data.

Date: 1981
New Economics Papers: this item is included in nep-ets
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Journal Article: The Dimensionality of the Aliasing Problem in Models with Rational Spectral Densities (1983)
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Persistent link: https://EconPapers.repec.org/RePEc:fip:fedmsr:72

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