2000
DOI: 10.1017/s0266466600161018
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Stationary Arch Models: Dependence Structure and Central Limit Theorem

Abstract: This paper studies a broad class of nonnegative ARCH(∞) models. Sufficient conditions for the existence of a stationary solution are established and an explicit representation of the solution as a Volterra type series is found. Under our assumptions, the covariance function can decay slowly like a power function, falling just short of the long memory structure. A moving average representation in martingale differences is established, and the central limit theorem is proved.

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Cited by 213 publications
(165 citation statements)
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“…According to Billingsley's result the FCLT follows if E(σ δ k − σ δ km ) 2 tends to zero sufficiently fast. We note that m-dependence was explored in Giraitis et al (2000) to obtain a central limit theorem for ARCH(∞) sequences.…”
Section: Resultsmentioning
confidence: 99%
“…According to Billingsley's result the FCLT follows if E(σ δ k − σ δ km ) 2 tends to zero sufficiently fast. We note that m-dependence was explored in Giraitis et al (2000) to obtain a central limit theorem for ARCH(∞) sequences.…”
Section: Resultsmentioning
confidence: 99%
“…If such a function has a mixing property fX t g is said to be F-mixing, and any -mixing fX t g is F-mixing covering linear and nonlinear ARMA-GARCH processes with su¢ ciently smooth probability densities (An and Huang 1996, Giraitis et al 2000, Carrasco and Chen 2002, Meitz and Saikkonen 2008.…”
Section: 3mentioning
confidence: 99%
“…The ARCH(1) representation is useful in considering properties of ARCH and GARCH models such as the existence of moments and long memory; see Giraitis, Kokoszka and Leipus (2000). The moment structure of GARCH models is considered in detail in 2007LINDNER.…”
Section: The Arch Modelmentioning
confidence: 99%