Shephard, Neil; Chib, Siddhartha - Department of Economics, Oxford University - 1999
stochastic volatility model. Specifically, a set of unobserved time-dependent factors, along with an associated loading matrix … series is assumed to follow independent three-parameter univariate stochastic volatility processes. A complete analysis of … these models, and its special cases, is developed that encompasses estimation, filtering and model choice. The centerpieces …