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 Kristie Nettles, V.P., Managing Director and Head of Global Insurance and Institutional (North America) Marketing, AllianceBernstein Institutional Investor It May Be Time for Corporate Pensions to Add (Some) Growth Assets James Comtois A Different Ask of Global Equities as Investors Seek Downside Protection Sponsored by Schroders