Entry, exit, market makers, and the bid-ask spread

Research output: Contribution to journalArticle

46 Scopus citations


The probability of entry and exit of dealers on the NASDAQ National Market (NNM) is significantly affected by trading intensity, volatility and the quoted bid-ask spread. Entry and exit of market makers is a pervasive phenomenon. Largescale entry (exit) is associated with substantial declines (increases) in quoted end-of-day inside spreads, even after controlling for the effects of changes in volume and volatility. The spread changes are larger in magnitude for issues with few market makers; however, even for issues with a large number of market makers, substantial changes in quoted spreads take place. The results are consistent with the competitive model of dealer pricing.

Original languageEnglish (US)
Pages (from-to)871-901
Number of pages31
JournalReview of Financial Studies
Issue number3
StatePublished - Jan 1 1997
Externally publishedYes

ASJC Scopus subject areas

  • Accounting
  • Finance
  • Economics and Econometrics

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