Journal
COMMUNICATIONS IN MATHEMATICS AND STATISTICS
Volume 9, Issue 4, Pages 379-403Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s40304-019-00196-1
Keywords
Continuous-time bilinear processes; Whittle estimator; Consistency; Asymptotic normality
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This paper studies the probabilistic and statistical properties of a continuous-time version of bilinear processes driven by a standard Brownian motion in the frequency domain. The structure and covariance function of the process are examined, leading to the analysis of the strong consistency and asymptotic normality of Whittle estimates for unknown parameters. Additionally, finite sample properties are explored through Monte Carlo experiments, with the model ultimately applied to modeling currency exchange rates.
In this paper, we study in frequency domain some probabilistic and statistical properties of continuous-time version of the well-known bilinear processes driven by a standard Brownian motion. This class of processes which encompasses many commonly used processes in the literature was defined as a nonlinear stochastic differential equation which has raised considerable interest in the last few years. So, the -structure of the process is studied and its covariance function is given. These structures will lead to study the strong consistency and asymptotic normality of the Whittle estimates of the unknown parameters involved in the process. Finite sample properties are also considered through Monte Carlo experiments. In end, the model is then used to model the exchanges rate of the Algerian Dinar against the US dollar.
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