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Econometrica Vol. 86 No. 3 2018

Competing on Speed

Emiliano S. Pagnotta1; Thomas Philippon2,3

1 Department of FinanceImperial College Business School · 2 National Bureau of Economic Research · 3 Centre for Economic Policy Research

open access

Abstract

We analyze trading speed and fragmentation in asset markets. In our model, trading venues make technological investments and compete for investors who choose where and how much to trade. Faster venues charge higher fees and attract speed-sensitive investors. Competition among venues increases investor participation, trading volume, and allocative e ffi ciency, but entry and fragmentation can be excessive, and speeds are generically ine ffi cient. Regulations that protect transaction prices (e.g., Securities and Exchange Commission trade-through rule) lead to greater fragmentation. Our model sheds light on the experience of European and U.S. markets since the implementation of Markets in Financial Instruments Directive and Regulation National Markets System.

DOI
10.3982/ecta10762
Volume
86
Issue
3
Pages
1067-1115
Language
en
Sources
bibtex:phds-export.bib openalex crossref

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