Notes, Comments and Preliminary results May 22 2007 Michael Caputo   The Lagrange multiplier is not the shadow value of the limiting resource in the presence of strategically interacting agents   Abstract  Contact Information  Citation  Full Text  -  Note   Oct 25 2004 M. Hossein Partovi and Michael Caputo   Principal Portfolios: Recasting the Efficient Frontier   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result