<P>you can use this software to construct markowitz portfolios. there is a instruction manul inside. and i also post a good journal article which criticize the effectiveness of Markowitz module in practice.this software is unable toopen data in terms of Excel file.by the way, i just upload a sample data, which you may like to use.</P>
<P>[Money=2][/Money] i guess 2 dollars is affordable, sorry about that. i have to earn a bit case to pay other books.</P>