We study the economic determinants of the information externality suppliers experience at the time of their customers' quarterly earnings announcements (QEAs). We measure the information externality as suppliers' stock price reaction to their customers' QEAs. We expect information externalities...

This paper examines whether suppliers suffer from information externalities when their major customers make layoff announcements. We find suppliers, on average, experience a negative stock price reaction around their major customers' layoff announcements. Furthermore, the negative price effect...