This paper documents the significant role of ECNs in forming the inside market in NASDAQ securities. We argue that the ECNs need to be exposed to market orders through the SOES system.

I examine the effects of Nasdaq's introduction of an anonymous trading facility called SIZE. I compare SIZE to competing ECNs in terms of liquidity and market impact. Despite rapid growth, SIZE has not yet attained a significant market share and rarely influences short-run price evolution. I...

This article reviews the history of the recent shift to electronic trading in equity, foreign ex- change and fixed-income markets. We analyze a new data set: the eSpeed (Cantor Fitzgerald) electronic Treasury network. We contrast the market microstructure of eSpeed with the tradi- tional voice...

This paper documents the significant role of ECNs in forming the inside market in NASDAQ securities. We argue that the ECNs need to be exposed to market orders through the SOES system.

I examine the effects of Nasdaq's introduction of an anonymous trading facility called SIZE. I compare SIZE to competing ECNs in terms of liquidity and market impact. Despite rapid growth, SIZE has not yet attained a significant market share and rarely influences short-run price evolution. I...

This article reviews the history of the recent shift to electronic trading in equity, foreign ex- change and fixed-income markets. We analyze a new data set: the eSpeed (Cantor Fitzgerald) electronic Treasury network. We contrast the market microstructure of eSpeed with the tradi- tional voice...