Puneet Handa Robert A. Schwartz Ashish Tiwari A Tale of Two Trading Venues: Electronically Delivered Orders vs. Floor Brokered Orders on the American Stock Exchange. 1999 HICSS http://computer.org/proceedings/hicss/0001/00017/00017020abs.htm db/conf/hicss/hicss1999-7.html#HandaST99