Kursänderungen auf Aktienmärkten können informationsinduziert durch neu zu verarbeitende Informationen oder liquiditätsinduziert durch kurzfristige Angebots- bzw. Nachfrageüberhänge auftreten. Diese zwei so unterschiedlich verursachten Kursreaktionen sind in empirischen Untersuchungen nur...

Der Neue Markt soll wachstumsorientierten Unternehmen den Zugang zur Börse eröffnen. Diefür dieses Marktsegment neu geschaffene Institution des Betreuers soll Vorbildcharakter fürandere Marktsegmente haben. In der vorliegenden Arbeit werden Vor- und Nachteile desBetreuer-Konzeptes...

We analyze the transaction costs in floor and computerized trading systems. In Germany, floor and screen trading for the same stocks exist in parallel. Bid-ask spreads are not generally lower in one trading system, but the electronic trading system is less attractive for less liquid stocks. This...

We analyze the dynamics of liquidity in Xetra, an electronic open limit order book. We use the Exchange Liquidity Measure (XLM), a measure of the cost of a roundtrip trade of given size V. This measure captures the price and the quantity dimension of liquidity. We present descriptive statistics,...

We study the market quality of the Xetra BEST system operated by Deutsche Börse AG, an internalization system designed as part of an open limit order book, which guarantees a price improvement over the inside spread in the Xetra order book. We develop a structural model of this dual market...

Advances in technology and several regulatory initiatives have led to the emergence of a competitive but fragmented equity trading landscape in the US and Europe. While these changes have brought about several benefits like reduced transaction costs, regulators and market participants have also...

Dufour and Engle (2000) have shown that the duration between subsequent trade events carries informational content with respect to the evolution of the fundamental asset value. Their analysis supports the notion that no trade means no information derived from Easley and O'Hara's (1992)...

We develop a model of the illiquidity transmission from spot to futures markets that formalizes the derivative hedge theory proposed by Cho and Engle (1999). The model shows that spot market illiquidity does not translate one-to-one to the futures market, but rather interacts with price risk,...

As of April 23, 2001, the limit order book for stocks listed on Euronext Paris became anonymous. We study the effect of this switch to anonymity on market liquidity and the informational content of the limit order book. Our empirical analysis is based on a model of limit order trading in which...

Exchanges in Europe are in a process of consolidation. After the failure of the proposed merger between Deutsche Börse and Euronext, these two groups are likely to become the nuclei for further mergers and co-operation with currently independent exchanges. A decision for one of the groups...