MAP20100099131 Liew, Chuin Ching A Hidden Markov regime-switching model for option valuation / Chuin Ching Liew, Tak Kuen Siu En: Insurance : mathematics and economics. - Oxford : Elsevier, 1990- = ISSN 0167-6687. - 01/12/2010 Tomo 47 Número 3 - 2010 I. Siu, Tak Kuen .