Competing Market Makers, Liquidity Provision, and Bid-Ask Spread

41 Pages Posted: 20 Dec 2000 Last revised: 10 Oct 2014

See all articles by Oleg Bondarenko

Oleg Bondarenko

University of Illinois at Chicago - Department of Finance

Date Written: December 20, 2000

Abstract

This paper develops a dynamic market microstructure model of liquidity provision in which M strategic market makers compete in price schedules for order flow from informed and uninformed traders. In equilibrium, market makers post price schedules that are steeper than efficient ones, and the market bid-ask spreads can be decomposed into two components, one due to adverse selection and the other due to imperfect competition. At any time, the two components are proportional to each other with a coefficient of proportionality depending on M. Several testable hypothesis are derived regarding the time-series and cross-sectional properties of prices and the bid-ask spreads. In particular, a new empirical measure of market competitiveness is proposed which can be estimated from the history of transaction prices and trading volumes. Finally, the properties of continuous market are also investigated.

Keywords: dealers market, imperfect competition, asymmetric information, dynamic equilibrium, components of the bid-ask spread

JEL Classification: G19, D43, D82, D83

Suggested Citation

Bondarenko, Oleg, Competing Market Makers, Liquidity Provision, and Bid-Ask Spread (December 20, 2000). Journal of Financial Markets, Vol. 4, pp. 269-308, 2001. Available at SSRN: https://ssrn.com/abstract=253894 or http://dx.doi.org/10.2139/ssrn.253894

Oleg Bondarenko (Contact Author)

University of Illinois at Chicago - Department of Finance ( email )

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