We identify a new channel – market makers' attention constraints – through which earnings announcements for one stock affect the liquidity of other stocks. When some stocks handled by a designated market maker have earnings announcements, liquidity is lower for non-announcement stocks...

We identify a new channel ndash; market makers' attention constraints ndash; through which earnings announcements for one stock affect the liquidity of other stocks. When some stocks handled by a designated market maker have earnings announcements, liquidity is lower for non-announcement stocks...

A stream of literature shows that human attention constraints affect asset pricing in predictable ways. When traders are distracted, stock prices tend to initially underreact to earnings news and then gradually incorporate the news over subsequent weeks. In modern markets, however, the majority...

We examine the market quality effects of technology upgrades juxtaposed with short-sale bans. Between 2011 and 2013, the Spanish Stock Exchange introduced a smart trading platform (SIBE-Smart) and colocation to facilitate high-speed trading, and they also imposed two short-sale bans. We find...