We provide evidence of the effects of introducing a central clearing counterparty (CCP) on price stability by adopting as an experimental construct the 2009 clearing reform in three Nordic equity markets. We find that the daily price volatility of the affected equities experience an economically...

We document low cross-sectional correlations between high-frequency market maker (MM) inventory positions, suggesting poor risk sharing. Using a unique data set on Canadian futures markets, a simple inventory cost estimate is 300% above the optimal benchmark. Our model explains how heterogeneity...

We examine the impact of the surge in trading activity following FOMC announcements on price discovery in the equity market, in particular in the highly liquid S&P 500 E-mini futures. In contrast to the hypothesis that all trading reflects learning about these public news announcements, we find...

This paper builds a theoretical framework to endogeneize the editorial decisions of media and analyze their asset pricing implications. The media outlet optimally reports man-bites-dog signals by choosing to report about the firm that generates more uncertainty to investors. There are three main...

Most corporate news occurs in the after-hours market, a very illiquid trading environment. We examine the relationship between liquidity and price discovery around after-hours earnings announcements. Prices reflect earnings surprises through changes in quotes rather than through trades....

From 2010--2015, a group of traders illegally accessed earnings information hours before their public release by hacking several major newswire services. We use their informed trading as a natural experiment to investigate how efficiently markets incorporate private information in trades. 15\%...

We examine the speed and mechanism of the price discovery process following earnings announcements in the after-hours market, a very illiquid trading environment. Prices reflect earnings surprises mostly through changes in quotes rather than through trades. Following positive announcement...