Elkins/McSherry - Average Execution Time 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 Video The Global Fallout From the Bank Crisis Staff Video Will Rising European Food Prices Drive Inflation Higher? Staff Sponsored Content Methanol Gains Traction as an Alternative Energy Source Sponsored by CME Group