Insiderhandel im Rahmen von Kapitalmarktgeschäften ist immer wieder Gegenstand öffentlicher Diskussionen. Björn Dymke analysiert Kapitalmarkttransaktionen deutscher Unternehmensinsidern mit Wertpapieren der von ihnen geleiteten Unternehmen, sogenannte Directors’ Dealings. Er untersucht, ob...

Since the May 6th, 2010 flash crash in the U.S., appropriate measures ensuring safe, fair and reliable markets become more relevant from the perspective of investors and regulators. Circuit breakers in various forms are already implemented for individual markets to ensure price continuity and...

We investigate the effects of fragmentation in equity trading on the quality of the trading outcomes, specifically volatility, liquidity and volume. We use panel regression methods on a weekly dataset following the FTSE350 stocks over the period 2008-2011, which provides a lot of cross-sectional...

Short sellers have been routinely blamed for triggering, or exacerbating, stock market declines. The experience of Taiwan provides an interesting case study of the impact of short selling bans on stock returns volatility in a time series framework due to the length of time the short selling ban...