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 Premium The Lowdown on High Ground’s Best Year Stephen Taub Seed Funding Isn’t Small Anymore: AI Start-Ups Push Rounds to Historic Highs Stephen Taub ETFs: Growing Institutional Adoption Sponsored by Invesco