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In this study, we apply a rolling window approach to wavelet-filtered (denoised) S&P500 returns (2000–2020) to obtain time varying Hurst exponents. We analyse the dynamics of the Hurst exponents by applying statistical tests (e.g., for stationarity, Gaussianity and self-similarity), a...
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uncertainty of inflation and GDP growth forecasts into an otherwise standard New Keynesian model. We show that certainty … reaction function which includes the uncertainty of macroeconomic expectations. To test the model empirically, we use the … standard deviation of individual forecasts around the median Consensus Forecast as proxy for forecast uncertainty. Our sample …
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