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Title:A Dynamic Integer Count Data Model for Financial Transaction Prices PDF Logo
Authors:Pohlmeier, Winfried
Liesenfeld, Roman
Issue Date:2003
Series/Report no.:Discussion paper series / Universität Konstanz, Center of Finance and Econometrics (CoFE) 03/03
Abstract:In this paper we develop a dynamic model for integer counts to capture the dis- creteness of price changes for financial transaction prices. Our model rests on an autoregressive multinomial component for the direction of the price change and a dynamic count data component for the size of the price changes. Since the model is capable of capturing a wide range of discrete price movements it is particularly suited for financial markets where the trading intensity is moderate or low as for most European exchanges. We present the model at work by applying it to transaction data of the Henkel share traded at the Frankfurt stock exchange over a period of 6 months. In particular, we use the model to test some theoretical implications of the market microstructure theory on the relationship between price movements and other marks of the trading process.
Subjects:Autoregressive conditional multinomial model
GLARMA
transaction prices
count data
market microstructure
JEL:C22
C25
G10
Persistent Identifier of the first edition:urn:nbn:de:bsz:352-opus-10064
Document Type:Working Paper
Appears in Collections:CoFE-Diskussionspapiere, Universität Konstanz

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