CHANG, CHIA-LIN; McALEER, MICHAEL; TANSUCHAT, ROENGCHAI - In: Annals of Financial Economics (AFE) 07 (2012) 02, pp. 1250010-1
APARCH model of Ding et al. (1993). The estimated d parameters, indicating long-term dependence, suggest that fractional … integration is found in most of agricultural commodity futures returns series. In addition, the FIGARCH (1, d, 1) and FIEGARCH (1 …