Speeding up the exchange does not necessarily improve liquidity. The price quotes of high-frequency market makers are more likely to meet speculative high-frequency "bandits", thus less likely to meet liquidity traders. The bid-ask spread is raised in response. The recursive dynamic model...

We use the introduction and the subsequent removal of the flash order facility (an actionable indication of interest, IOI) from Nasdaq as a natural experiment to investigate the impact of voluntary disclosure of trading intent on market quality. We find that flash orders significantly improve...

The Aix-Marseille School of Economics (AMSE) and the Banque de France have organised their second labour market conference, bringing together academics and representatives of international organisations and central banks. Discussions focused on the linkages between the housing and labour...

We define low-latency activity as strategies that respond to market events in the millisecond environment, the hallmark of proprietary trading by high-frequency traders though it could include other algorithmic activity as well. We propose a new measure of low-latency activity to investigate the...

The regulatory debate concerning high-frequency trading (HFT) emphasizes the importance of distinguishing different HFT strategies and their influence on market quality. Using data from NASDAQ-OMX Stockholm, we compare market-making HFTs to opportunistic HFTs. We find that market makers...

The Aix-Marseille School of Economics (AMSE) and the Banque de France have organised their second labour market conference, bringing together academics and representatives of international organisations and central banks. Discussions focused on the linkages between the housing and labour...

The paper deals with high-frequency algorithmic trading (HFT), which has recently come to dominate some financial markets, e.g. the US equity markets. The author first attempts to establish a clear definition of high-frequency trading. With the most important characteristics having been...

To reduce market volatility observed at the close of trading and to enhance the fairness of the closing price, the Taiwan Stock Exchange (TSE) changed the way it executed its closing transactions by instituting a five-minute closing call auction. This paper examines the effectiveness of this new...

This paper analyzes the implications of pre-trade transparency on market performance. In competitive markets, transparency increases market liquidity and reduces price volatility, whereas these results may not hold under imperfect competition. More importantly, market depth and volatility might...

The trading systems used on financial markets differ in terms of matching procedures, selected norms to write contracts, existence or not of intermediaries to ensure liquidity, market transparency... We are interested in measuring the direct effect on market specifics of a matching procedure...