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 Edgar Allen’s High Ground Beats the Market Despite Shunning AI Stocks Stephen Taub Opinion: It’s Time to Hire More English and History Majors John Bowman Institutional Asset Owners are Rethinking ETFs Sponsored by Invesco