00990nam 2200253z- 450 991068952690332120161209102610.0(CKB)5860000000021439(BIP)008569968(EXLCZ)99586000000002143920220406c2002uuuu -u- -engECNs and market structure ensuring the best prices for consumers : hearing before the Subcommittee on Commerce, Trade, and Consumer Protection of the Committee on Energy and Commerce, House of Representatives, One Hundred Seventh Congress, second session, October 17, 20021 online resource (iii, 75 p.) 0-16-069308-X ECNs and market structure Stock exchangesComputer networksUnited StatesStock exchangesBusiness & economicsStock exchangesComputer networksBOOK9910689526903321ECNs and market structure3199935UNINA