Tempered Stable Autoregressive Models

06/06/2021
by   Niharika Bhootna, et al.
0

In this article, we introduce and study a one sided tempered stable autoregressive (TAR) process. Under the assumption of stationarity of the model, the marginal probbaility density function of the error term is found. It is shown that the distribution of error is infinitely divisible. Parameter estimation of the introduced TAR process is done by adopting the conditional least square and moments based approach and the performance of the proposed methods is shown on simulated data. Our model generalize the inverse Gaussian and one-sided stable autoregressive models.

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