Sk. Nawalkha et Dr. Chambers, THE M-VECTOR MODEL - DERIVATION AND TESTING OF EXTENSIONS TO M-SQUARE, Journal of portfolio management, 23(2), 1997, pp. 92
In this article, the authors derive and test multiple-factor extension
s to the M-square immunization model. Using term structure data from 1
951-1987, the M-vector model is shown co provide near perfect hedging
performance by removing more than 95% of the interest rate risk remain
ing in the traditional duration model.