Local bias in google search and the market response around earnings announcements

Sabrina S. Chi, Devin M. Shanthikumar

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

We examine the impact of distance on internet search, and the effect of the "local bias" in search on the stock market response around earnings announcements. We find significant local bias in search behavior. Motivated by theories explaining local bias, local information advantage, and familiarity bias, we predict and find that firms with higher local bias in search experience higher bid-ask spreads, lower trading volumes, and lower earnings response coefficients at the time of earnings announcements, consistent with non-local investors relying more than locals on public information announcements. Consistent with local information advantage, we find that in the week prior to the announcement, firms with higher local bias have higher bid-ask spreads, higher trading volumes, and returns that are more predictive of the coming earnings surprise. Consistent with familiarity bias, firms with higher local bias in search experience stronger post-earnings announcement drift. We use unique predictions, propensity score matching, and two-stage least squares to identify the effects of local bias separately from the effects of overall visibility. Overall, we show there is significant local bias in search, and that this local bias has a significant impact on the market response around earnings announcements.

Original languageEnglish
Pages (from-to)115-143
Number of pages29
JournalAccounting Review
Volume92
Issue number4
DOIs
StatePublished - Jul 2017

Keywords

  • Earnings response coefficient
  • Geography
  • Google
  • Information asymmetry
  • Investor attention
  • Investor psychology
  • Local bias
  • Post-earnings announcement drift

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