Jensen, Bjarne Astrup - Copenhagen Business School - 2001
Abstract: Finding the mean-variance eĆcient frontier is <p> a quadratic programming problem with an analytical solu- <p> tion, whenever the portfolio choice is unrestricted. The an- <p> alytical solution involves an inversion of the covariance ma- <p> trix. When short-sale constraints are added to the...</p></p></p></p>