Elkins/McSherry - Market Impact Trend Global Transaction Costs Decline Despite High Frequency Trading. November 11, 2010 See related article, Elkins/McSherry - Global Transaction Costs Decline Despite High Frequency Trading. High Frequency Trading New York Stock Exchange Transaction Costs Nasdaq Elkins Mcsherry Global Trading Related Articles Kristin Agatone, Chief Investment Officer, Lehigh University Institutional Investor Premium Greenlight Capital’s Value-Driven Fund Bucks the Downward Trend Stephen Taub The Six Definitions of Unemployment. What Matters Most? Sponsored by CME Group