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This paper illustrates the usefulness of resampling based methods in the context of multiple (simultaneous) tests, with emphasis on econometric applications. Economic theory often suggests joint (or simultaneous) hypotheses on econometric models; consequently, the problem of evaluating joint...
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A wide range of tests for heteroskedasticity have been proposed in the econometric and statistics literatures. Although a few exact homoskedasticity tests are available, the commonly employed procedures are quite generally based on asymptotic approximations which may not provide good size...
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We introduce a tractable class of non-affine price processes with multifrequency stochastic volatility and jumps. The … and volatility regimes, as asset pricing theory suggests. Empirically, the model matches implied volatility surfaces and …
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