Advances in Applied Probability

Stationarity and ergodicity for an affine two-factor model

Mátyás Barczy, Leif Döring, Zenghu Li, and Gyula Pap

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We study the existence of a unique stationary distribution and ergodicity for a two-dimensional affine process. Its first coordinate process is supposed to be a so-called α-root process with α ∈ (1, 2]. We prove the existence of a unique stationary distribution for the affine process in the α ∈ (1, 2] case; furthermore, we show ergodicity in the α = 2 case.

Article information

Adv. in Appl. Probab., Volume 46, Number 3 (2014), 878-898.

First available in Project Euclid: 29 August 2014

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Mathematical Reviews number (MathSciNet)

Zentralblatt MATH identifier

Primary: 60J25: Continuous-time Markov processes on general state spaces
Secondary: 37A25: Ergodicity, mixing, rates of mixing

Affine process stationary distribution ergodicity Foster-Lyapunov criteria


Barczy, Mátyás; Döring, Leif; Li, Zenghu; Pap, Gyula. Stationarity and ergodicity for an affine two-factor model. Adv. in Appl. Probab. 46 (2014), no. 3, 878--898. doi:10.1239/aap/1409319564.

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