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 From Nikko to Amova: Inside the Shift From Legacy Brand to Global Player John Crabb Spooked by Geopolitics, Global Allocators Pull Back From U.S. Assets James Comtois A Long-Term Approach to Using ETFs in Institutional Portfolios Sponsored by Northern Trust Asset Management