Subject: File No. SR-BX-2013-059
From: suzanne h shatto
Affiliation: none

December 18, 2013

you might wish to view a study on this very subject.
An in-depth, quantitative examination of the maker-taker exchange business model, and misalignment of incentives and conflicts-of-interest that result.
http://www.scribd.com/doc/190827619/Can-Brokers-Have-It-All