This study investigates the implications of high-frequency trading (HFT) on market efficiency and price discovery by using state-space models and real-life one-minute high-frequency data of the six most traded currency pairs worldwide - USD/EUR, USD/JPY, USD/GBP, USD/AUD, USD/CHF and USD/CAD. We...

This article examines the initial returns and the aftermarket performance of initial public offerings (IPOs) of demutualized building societies in the UK. The size of the IPOs and the unusual features of the process involved allow for the testing of a number of hypotheses developed from...

The paper uses market microdata to examine how the frequency with which share trading takes place affects the appearance of the compass rose. The results show that, for a share traded with a given frequency, there will be an optimum frequency of observation to produce the best compass rose.