Giraitis, Liudas; Leipus, Remigijus; Robinson, Peter M.; … - London School of Economics (LSE) - 2003
We consider the long memory and leverage properties of a model for the conditional variance of an observable stationary … sequence, with square summable weights. This model, which we call linear ARCH (LARCH), specializes to the asymmetric ARCH model … of Engle (1990), and to a version of the quadratic ARCH model of Sentana (1995), these authors having discussed leverage …