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 Georgetown Names Lehigh Investment Chief to Oversee $4B Endowment James Comtois Kristin Agatone, Chief Investment Officer, Lehigh University Institutional Investor Fireside Chat- The New Credit Playbook: Convergence, Liquidity, and Innovation in Institutional Portfolios Sponsored by Nuveen