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 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 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...

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...

We derive explicit recursive formulas for Target Close (TC) and Implementation Shortfall (IS) in the Almgren-Chriss framework. We explain how to compute the optimal starting and stopping times for IS and TC, respectively, given a minimum trading size. We also show how to add a minimum...

Traditional market makers are losing their importance as automated systems have largely assumed the role of liquidity provision in markets. We update the model of Glosten and Milgrom (1985) to analyze this new world: we add multiple securities and introduce an automated market maker who prices...

On July 15, 2008, the US Securities and Exchange Commission announced temporary restrictions on naked short sales of the stocks of 19 financial firms. The restrictions offer a unique empirical setting to test Miller?s (1977) conjecture that short-sale constraints result in overpriced securities...

We compare the market quality of the newly established, second board of the China stock market, the Growth Enterprise Market (GEM) with the Main Board, and examine its impact on the Main Board from the market microstructure perspective. Using the newly available transaction level data, several...