Consolidation, Fragmentation, and the Disclosure of Trading Information

REVIEW OF FINANCIAL STUDIES, Vol 8 No 3

Posted: 23 Aug 1995

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Abstract

It is commonly believed that fragmented security markets have a natural tendency to consolidate. This paper examines this belief, focusing on the effect of disclosing trading information to market participants. We show that large traders who place multiple trades can benefit from the absence of trade disclosure in a fragmented market, as can dealers who face less price competition than in a unified market. Consequently, a fragmented market need not coalesce into a single market unless trade disclosure is mandatory. We also compare and contrast fragmented and consolidated markets. Fragmentation results in higher price volatility and violations of price efficiency.

JEL Classification: G14

Suggested Citation

Madhavan, Ananth, Consolidation, Fragmentation, and the Disclosure of Trading Information. REVIEW OF FINANCIAL STUDIES, Vol 8 No 3. Available at SSRN: https://ssrn.com/abstract=6628

Ananth Madhavan (Contact Author)

BlackRock, Inc. ( email )

400 Howard Street
San Francisco, CA 94105
United States

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