Modeling a Multivariate Transaction Process

Posted: 10 Jul 2008

See all articles by Ingmar Nolte

Ingmar Nolte

Lancaster University - Department of Accounting and Finance

Date Written: Winter 2008


In this paper the dynamics of a joint transaction process are investigated. The transaction process is characterized by four marks: price changes, transaction volumes, bid-ask spreads and intertrade durations. Based on a copula approach, a model for their joint density is proposed, which avoids forcing a priori assumptions on the instantaneous causality relationships between the four variables as necessary in decomposition models, where the joint density is decomposed into its conditional and unconditional densities. The price change process is treated as a discrete process and specified with an integer count hurdle model and the transaction volumes, bid-ask spreads, and trade durations processes are modeled along the lines of fractionally integrated autoregressive conditional models, which are suited very well to capture the high persistency, empirically observed in these processes. The model is applied to three stocks traded at the New York Stock Exchange (NYSE) in May, 2001 and we investigate several market microstructure hypotheses in the empirical part of this paper.

Keywords: copula functions, discrete price changes, fractionally integrated autoregressive conditional duration models, integer count hurdle model, market microstructure, transaction data

Suggested Citation

Nolte, Ingmar, Modeling a Multivariate Transaction Process (Winter 2008). Journal of Financial Econometrics, Vol. 6, Issue 1, pp. 143-170, 2008. Available at SSRN: or

Ingmar Nolte (Contact Author)

Lancaster University - Department of Accounting and Finance ( email )

Lancaster, Lancashire LA1 4YX
United Kingdom

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