Nagashima, Kazuki; Chung, Tsz-Kin; Tanaka, Keiichi - In: Asia-Pacific Financial Markets 21 (2014) 4, pp. 351-396
The stochastic volatility model of Heston (Rev Financ Stud 6(2):327–343, <CitationRef CitationID="CR19">1993</CitationRef>) has found difficulty in describing some of the important features of implied volatility dynamics, leading to a quest for multifactor extensions as well as the incorporation of time-dependent model parameters. In...</citationref>