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 Premium The Lowdown on High Ground’s Best Year Stephen Taub Mercer to Benchmark Private Market Performance Amid Marsh Rebrand James Comtois Portfolio Finance: 101 Sponsored by Barings