We propose a new method for simulation smoothing in state space models with univariate states and conditional dependence between the observation yt and the contemporaneous innovation of the state equation. Stochastic volatility models with the leverage effect are a leading example. Our method extends the HESSIAN method of McCausland (2012, Journal of Econometrics, 168, 189�206), which requ…

An insider's guide to understanding and eliminating accounting fraud How do these high-profile accounting scandals occur and what could have been done to prevent them. Hidden Financial Risk fills that void by examining methods for off balance sheet accounting, with a particular emphasis on special purpose entities (SPE), the accounting ruse of choice at Enron and other beleaguered companies. J.…