Bose, Arup; Mukherjee, Kanchan - In: Journal of Time Series Analysis 30 (2009) 3, pp. 315-331
A standard assumption while deriving the asymptotic distribution of the quasi maximum likelihood estimator in ARCH models is that all ARCH parameters must be strictly positive. This assumption is also crucial in deriving the limit distribution of appropriate linear estimators (LE). We propose a...