Inter-dealer trading in US Treasury Securities is almost equally divided between two similar electronic trading platforms. This provides a natural experiment within which to test the propositions of Bloomfield & O'Hara (1999 and 2000) about price discovery in fragmented markets. We examine the...

Inter-dealer trading in US Treasury Securities is almost equally divided between two similar electronic trading platforms. BrokerTec is more active in the trading of 2-, 5-, and 10-year T-notes while eSpeed has more active trading in the 30-year bond. eSpeed provides a more pre-trade transparent...

We examine whether there is a flight-to-liquidity premium in Treasury bond prices by comparing them with prices of bonds issued by Refcorp, a U.S. Government agency, which are guaranteed by the Treasury. We find a large liquidity premium in Treasury bonds, which can be more than fifteen percent...

We study the workup protocol, an important size discovery mechanism in the U.S. Treasury securities market. We find that shocks in workup order flow explain 6-8 percent of the variation of returns on benchmark notes and, across maturities, contribute 10 percent to the variation of the yield...

We assess the microstructure of the U.S. Treasury securities market following its migration to electronic trading. We model price discovery using a vector autoregression model of price and order flow. We show that both trades and limit orders affect price dynamics, suggesting that traders also...