We discuss several multivariate extensions of the Multiplicative Error Model to take into account dynamic interdependence and contemporaneously correlated innovations (vector MEM or vMEM). We suggest copula functions to link Gamma marginals of the innovations, in a specification where past...

We study the introduction of single-market liquidity provider incentives in fragmented securities markets. Specifically, we investigate whether fee rebates for liquidity providers enhance liquidity on the introducing market and thereby increase its competitiveness and market share. Further, we...

Statistische Eigenschaften von Handelsvolumina auf Aktienmärkten -- Theoretische Analysen zur Rolle des Handelsvolumens auf Aktienmärkten -- Kontemporärer Zusammenhang zwischen Aktienrenditen und Handelsvolumina -- Ereignisinduzierte Marktreaktionen: Preis- und Volumenseffekte am Beispiel von...

Review of Studies on the Relationship between Trading Volume and Stock Returns -- Data and Methodology -- Results: Trading Volume and the Cross-Sectional Variation of Stock Returns -- Results: Time-Stability of Portfolio Returns -- Results: Economic Significance of Volume-Return Relations --...