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Optimal estimation of the local time and the occupation time measure for an α-stable Lévy process
A novel theoretical result on estimation of the local time and the occupation time measure of an α-stable Lévy process with α∈(1,2) is presented. The approach is based upon computing the conditional expectation of the desired quantities given high frequency data, which is an L2-optimal statistic by construction. The corresponding stable central limit theorems are proved and a statistical application is discussed. In particular, this work extends the results of [20], which investigated the case of the Brownian motion.
(VTeX, 2024)