This study exploits a complex information setting of a network of customer-supplier relationships to test whether short sellers pay attention to corporate news to act upon this news across the supply chain. We measure revealed short seller attention by using the link between a customer's news...

As machines replace humans in financial markets, how is informational efficiency impacted? We shed light on this issue by exploiting a unique data-set that allows us to identify when machines access important company information (8-K filings) versus when humans access the same information. We...