Bortoluzzo, Adriana; Morettin, Pedro; Toloi, Clelia - In: Journal of Applied Statistics 37 (2010) 5, pp. 847-864
The main goal of this work is to generalize the autoregressive conditional duration (ACD) model applied to times between trades to the case of time-varying parameters. The use of wavelets allows that parameters vary through time and makes possible the modeling of non-stationary processes without...