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A Simple, Consistent Estimator for Disturbance in Financial Models
University of Michigan.
University of Michigan.
1989 (English)Report (Other academic)
Abstract [en]

Many recent papers have estimated components of the disturbance term in the "market model" of equity returns. In particular, several studies of regulatory changes and other policy events have decomposed the event effects in order to allow for heterogeneity across firms. In this paper we demonstrate that the econometric method applied in some papers yields biased and inconsistent estimates of the model parameters. We demonstrate the conssitency of a simple and easily-implemented alternative method.

Place, publisher, year, edition, pages
Stockholm: IIES , 1989. , 18 p.
Series
Seminar Paper / Institute for International Economic Studies, Stockholm University, ISSN 0347-8769 ; 443
National Category
Economics
Identifiers
URN: urn:nbn:se:su:diva-41628OAI: oai:DiVA.org:su-41628DiVA: diva2:331611
Note
Published in connection with a visit at the IIES.Available from: 2010-07-23 Created: 2010-07-23 Last updated: 2010-07-23

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CiteExportLink to record
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