Market participants often invest in order to acquire information that pertains to the market itself (e.g. order flow) rather than to fundamentals. This enables them to infer more information from past trades. I show that agents trading on such information, typically high-frequency traders,...

How do financial markets price new information? This paper analyzes price setting at the intersection of private and public information, by testing whether and how the reaction of financial markets to public signals depends on the relative importance of private information in agents' information...

We study empirically how competition among high-frequency traders (HFTs) affects their trading behavior and market quality. Our analysis exploits a unique dataset, which allows us to compare environments with and without high-frequency competition, and contains an exogenous event - a tick size...

A growing body of literature analyses the impact of news on companies’ equity prices. We add to this literature by showing that the transmission channel of news to prices differs across sectors. First, we disentangle sectoral equity prices into components of expected future earnings and equity...

In recent years, demutualized stock exchanges have been increasingly engaging in M&A and alliance activities. To examine the effect of these growth strategies on exchange shareholders' value creation, we focus on 14 public stock exchanges and investigate their short-run share price responses to...

How do financial markets price new information? This paper analyzes price setting at the intersection of private and public information, by testing whether and how the reaction of financial markets to public signals depends on the relative importance of private information in agents’...

Using a sample that provides unprecedented detail on foreign listings, new listings, and delistings for 29 exchanges in 24 countries starting from the early 1980s, we document a growing tendency of listings to concentrate in the U.S. and the U.K., and large changes in all exchanges' ability to...

During 2005-2006, the Chinese government implemented a reform aimed at eliminating the so-called non-tradable shares (NTS), shares typically held by the State or by politically connected institutional investors that were issued at the early stage of financial market development. Our analysis,...

During 2005-2006, the Chinese government implemented a reform aimed at eliminating the so-called non-tradable shares (NTS) typically held by the State or by politically connected institutional investors that were issued at the early stage of financial market development. Our analysis, based on...

We study the effects on the stock market of a securities transaction tax (STT). In particular, we focus on the recent introduction of a STT in Italy. Indeed, a peculiarity of the Italian STT is that it only concerns stocks of corporations with a market capitalization above 500 million euros. We...