Skip to main content
6 events
when toggle format what by license comment
Jan 2, 2012 at 15:46 comment added Ram Ahluwalia Just a heads up that there are multiple optimal solutions when weights are allowed to go negative. In particular, the -1*weights is also a valid solution with equal utility. I have added a minimize transaction cost objective into my utility function to minimize the churn that might result.
Dec 29, 2011 at 23:19 vote accept Ram Ahluwalia
Dec 29, 2011 at 22:43 comment added SRKX @QuantGuy: Actually I did not get the goal from the paper, I "did it myself" when I tried out ERC. I implemented it in Matlab and the problem is indeed found using fmincon (I checked the risk contributions and the constraints)
Dec 29, 2011 at 19:51 comment added Ram Ahluwalia Where is your formula in the paper? Formula 6 and 7 in the paper (see page 7 of the pdf) do not match the goal function described above.
Dec 29, 2011 at 17:40 comment added Ram Ahluwalia +1. I'll try this formulation of the objective and let you know how it goes. I think this should work... Thanks for the link to the paper
Dec 29, 2011 at 15:33 history answered SRKX CC BY-SA 3.0