1. Laboratoire Paul Painlevé, U.F.R. Mathématiques , Université de Lille 1, F-59655 Villeneuve d’Ascq , France;2. Department of International Business and Economics , Academy of Economic Studies , Bucharest , Romania
Abstract:
We analyze a variant of the EGARCH model which captures the variation of the intra-day price. We study the asymptotic behavior of the estimators for the parameters of the model. We also illustrate our theoretical results by empirical studies.