The Dimensionality of the Aliasing Problem in Models With Rational Spectral Densities

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Creator Series Issue number
  • 072
Date Created
  • 1981-09
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.

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  • Federal Reserve Bank of Minneapolis. Research Department
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  • Federal Reserve Bank of Minneapolis
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