(1) Department of Mathematics, Kiev University, Volodimirska Street 64, 01033 Kiev, Ukraine;(2) Department of Mathematics, University of Helsinki, P.O. Box 4, FIN-00014, Finland
Abstract:
We give a test between two complex hypothesis; namely we test whether a fractional Brownian motion (fBm) has a linear trend against a certain non-linear trend. We study some related questions, like goodness-of-fit test and volatility estimation in these models.