English

Quasi-MLE for quadratic ARCH model with long memory

Statistics Theory 2015-09-23 v1 Statistics Theory

Abstract

We discuss parametric quasi-maximum likelihood estimation for quadratic ARCH process with long memory introduced in Doukhan et al. (2015) and Grublyt\.e and \v{S}karnulis (2015) with conditional variance given by a strictly positive quadratic form of observable stationary sequence. We prove consistency and asymptotic normality of the corresponding QMLE estimates, including the estimate of long memory parameter 0<d<1/20< d < 1/2. A simulation study of empirical MSE is included.

Cite

@article{arxiv.1509.06422,
  title  = {Quasi-MLE for quadratic ARCH model with long memory},
  author = {Ieva Grublytė and Donatas Surgailis and Andrius Škarnulis},
  journal= {arXiv preprint arXiv:1509.06422},
  year   = {2015}
}
R2 v1 2026-06-22T11:02:15.529Z