Corielli, Francesco; Marcellino, Massimiliano - C.E.P.R. Discussion Papers - 2002
Index tracking requires building a portfolio of stocks (a replica) whose behaviour is as close as possible to that of a … given stock index. Typically, much fewer stocks should appear in the replica than in the index, and there should be no low … used methods for index tracking. These are based on the in-sample minimization of a loss function, but do not take into …