18115 Campus Way NE
Bothell, WA 98011-8246
United States
http://www.uwb.edu/business/faculty/sbalakrishnan
Univ. of Washington, Bothell
S&P 500; Ziof; Trading volume; concentration; index funds
trading concentration; power law; weekend effect; Zipf distribution
Zipf's Law; Hirschman–Herfindahl Index; Stock trading volume