Hortascu, Ali <br/><br/>
Product differentiation, search costs, and competition in the mutual fund industry: a case study of S&P 500 index funds 

 -  2004 
 - p.403-56. 
 - May 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Financial markets - United States<br/>Financial markets - Case studies<br/>Financial markets