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Econometrics 2013, 1(3), 207-216; doi:10.3390/econometrics1030207
Article

The Geometric Meaning of the Notion of Joint Unpredictability of a Bivariate VAR(1) Stochastic Process

Department of Computer Engineering, Computer Science and Mathematics, University of L'Aquila,Via Vetoio I-67010 Coppito, L'Aquila, I-67100, Italy
Received: 21 August 2013 / Revised: 5 November 2013 / Accepted: 5 November 2013 / Published: 14 November 2013
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Abstract

This paper investigates, in a particular parametric framework, the geometric meaning of joint unpredictability for a bivariate discrete process. In particular, the paper provides a characterization of the joint unpredictability in terms of distance between information sets in an Hilbert space.
Keywords: Hilbert spaces; predictability; stochastic process Hilbert spaces; predictability; stochastic process
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Triacca, U. The Geometric Meaning of the Notion of Joint Unpredictability of a Bivariate VAR(1) Stochastic Process. Econometrics 2013, 1, 207-216.

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