We analyze price discovery in floor-based and electronic exchanges using data from the German stock market. We find that both markets contribute to price discovery. There is bidirectional Granger causality, and prices from both markets adjust to deviations from the long-run equilibrium. We use two different measures of the contributions to price discovery, the information share (Hasbrouck 1995) and the weights with which the series enter the common long memory component as defined by Gonzalo / Granger (1995). The contributions of the two trading systems to the process of price discovery are almost equal when transaction prices are used for the estimation. Models based on quote midpoints indicate that the electronic trading system has a larger share in the price discovery process. A cross-sectional analysis reveals that the contributions to price discovery are positively related to the market shares of the trading systems.
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Paper provided by University of Bonn, Germany in its series Bonn Econ Discussion Papers with number
bgse35_2001.
Length: 35 Date of creation: Aug 2001 Date of revision: Handle: RePEc:bon:bonedp:bgse35_2001
Contact details of provider: Postal: Bonn Graduate School of Economics, University of Bonn, Adenauerallee 24 - 26, 53113 Bonn, Germany Fax: +49 228 73 9221 Web page: http://www.bgse.uni-bonn.de/index.php?id=494
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References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Thorsten Freihube & Erik Theissen, 2001.
"An Index Is An Index Is An Index?,"
Schmalenbach Business Review (sbr),
Wolfgang Ballwieser, Managing editor of sbr, LMU Munich School of Management, University of Munich, Ludwigstr. 28/RG, D-80539 Munich, Germany, vol. 53(4), pages 295-320, October.
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