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A forecast comparison of volatility models: does anything beat a GARCH(1,1)? ...
We compare 330 ARCH-type models in terms of their ability to describe the conditional variance. The models are compared out-of-sample using DM?$ exchange rate data and IBM... -
Distribution approximations for cointegration tests with stationary exogenous...
The distribution of a functional of two correlated vector-Brownian motions is approximated by a Gamma distribution. This functional represents the limiting distribution for...