Functional central limit theorems for ARCH(∞) models

Seunghee Choi, Oesook Lee

Research output: Contribution to journalArticlepeer-review

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In this paper, we study ARCH(∞) models with either geometrically decaying coefficients or hyperbolically decaying coefficients. Most popular autoregressive conditional heteroscedasticity (ARCH)-type models such as various modified generalized ARCH (GARCH) (p, q), fractionally integrated GARCH (FIGARCH), and hyperbolic GARCH (HYGARCH). can be expressed as one of these cases. Sufficient conditions for L2-near-epoch dependent (NED) property to hold are established and the functional central limit theorems for ARCH(∞) models are proved.

Original languageEnglish
Pages (from-to)443-455
Number of pages13
JournalCommunications for Statistical Applications and Methods
Issue number5
StatePublished - 1 Sep 2017


  • ARCH(∞) model
  • Functional central limit theorem
  • L-NED property


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