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- W2589594047 abstract "We estimate a multivariate stochastic volatility model for a panel of stock returns for a number of S&P 500 firms from different industries. To directly compare our results with those from the univariate estimation literature on the same data, we use an efficient importance sampling (EIS) method to estimate the likelihood function of the given multivariate system that we analyze. As opposed to univariate methods where each return is estimated separately for each firm, our results are based on joint estimation that can account for potential common error term interactions based on industry characteristics that cannot be detected by univariate methods. Our results reveal that there are important differences in the industry effects, something that suggests that differential gains to portfolio allocations in the different industries that we examine. There are differences because of idiosyncratic factors and the common industry factors that suggest that each industry requires a separate treatment in arriving at portfolio allocations." @default.
- W2589594047 created "2017-03-03" @default.
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- W2589594047 date "2017-01-06" @default.
- W2589594047 modified "2023-09-27" @default.
- W2589594047 title "A Multivariate Stochastic Volatility Model Applied to a Panel of S&P500 Stocks in Different Industries" @default.
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- W2589594047 doi "https://doi.org/10.1111/irfi.12111" @default.
- W2589594047 hasPublicationYear "2017" @default.
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