Semiparametric Autoregressive Conditional Duration Model: Theory and Practice

50 Pages Posted: 17 Jul 2012 Last revised: 26 Sep 2012

See all articles by Patrick Saart

Patrick Saart

University of Canterbury

Jiti Gao

Monash University - Department of Econometrics & Business Statistics

David E. Allen

School of Mathematics and Statistics, The University of Sydney; Financial Research Network (FIRN); Department of Finance; School of Business and Law, Edith Cowan University

Date Written: July 16, 2012

Abstract

Many existing extensions of the Engle and Russell's (1998) Autoregressive Conditional Duration (ACD) model in the literature are aimed at providing additional flexibility either on the dynamics of the conditional duration model or the allowed shape of the hazard function, i.e. its two most essential components. This paper introduces an alternative semiparametric regression approach to a nonlinear ACD model; the use of a semiparametric functional form on the dynamics of the duration process suggests the model being called the Semiparametric ACD (SEMI-ACD) model. Unlike existing alternatives, the SEMI-ACD model allows simultaneous generalizations on both of the above -- mentioned components of the ACD framework. To estimate the model, we establish an alternative use of the existing Buhlmann and McNeil's (2002) iterative estimation algorithm in the semiparametric setting and provide the mathematical proof of its statistical consistency in our context. Furthermore, we investigate the asymptotic properties of the semiparametric estimators employed in order to ensure the statistical rigor of the SEMI-ACD estimation procedure. These asymptotic results are presented in conjunction with simulated examples, which provide an empirical evidence of the SEMI-ACD model's robust finite - sample performance. Finally, we apply the proposed model to study price duration process in the foreign exchange market to illustrate its usefulness in practice.

Suggested Citation

Saart, Patrick and Gao, Jiti and Allen, David Edmund, Semiparametric Autoregressive Conditional Duration Model: Theory and Practice (July 16, 2012). Available at SSRN: https://ssrn.com/abstract=2109200 or http://dx.doi.org/10.2139/ssrn.2109200

Patrick Saart (Contact Author)

University of Canterbury ( email )

Ilam Road
Christchurch 8140
New Zealand

Jiti Gao

Monash University - Department of Econometrics & Business Statistics ( email )

900 Dandenong Road
Caulfield East, Victoria 3145
Australia
61399031675 (Phone)
61399032007 (Fax)

HOME PAGE: http://www.jitigao.com

David Edmund Allen

School of Mathematics and Statistics, The University of Sydney ( email )

School of Mathematics and Statistics F07
University of Sydney
Sydney, New South Wales 2006
Australia

HOME PAGE: http://www.maths.usyd.edu.au

Financial Research Network (FIRN)

C/- University of Queensland Business School
St Lucia, 4071 Brisbane
Queensland
Australia

HOME PAGE: http://www.firn.org.au

Department of Finance ( email )

Taiwan
Taiwan

School of Business and Law, Edith Cowan University

100 Joondalup Drive
Joondalup, WA 6027
Australia

HOME PAGE: http://www.dallenwapty.com

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