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 Kristin Agatone, Chief Investment Officer, Lehigh University Institutional Investor GTCR: PE Needs to Stop Looking for the ‘Perfect Time to Sell’ John Crabb Hurricane Season: Insurance-linked Securities and Navigating Non-financial Risks Sponsored by Schroders Capital