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 New S&P-Led Consortium Targets the Private Markets Data Problem James Comtois The Rich List: Institutional Investor’s 25th Annual Ranking of the Highest-Earning Hedge Fund Managers Stephen Taub Optimizing the Efficient Frontier: Opportunistic Credit Amid a Capital Structure Reset Sponsored by Davidson Kempner