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The beta dispersion, which is the spread of betas on a stock market, can be interpreted as a measure of market vulnerability. This study examines the economic idea of the beta dispersion and its application as a market return predictor. Based on the empirical beta dispersion observed in the US...
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parametric ARIMA model-based approach to seasonal adjustment for any given time series without the necessity of switching between … finally illustrate the decision tree on selected German macroeconomic time series. …
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of daily time series, even though an increasing number of series with daily observations are available. The aim of this … influence of moving holidays in time series with daily observations. To this end, an iterative STL based seasonal adjustment … validated using the currency in circulation in Germany and a set of simulated time series. A comparison with established methods …
Persistent link: https://www.econbiz.de/10011916897
The aim of this paper is to set out criteria for defining trend and seasonal components in a time series. The criteria … are set up primarily in terms of properties involving prediction. Because a structural time series model is set up in …
Persistent link: https://www.econbiz.de/10011936670
Infra-monthly time series have increasingly appeared on the radar of official statistics in recent years, mostly as a …
Persistent link: https://www.econbiz.de/10013336397
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The COVID-19 pandemic has led to enormous data movements that strongly affect parameters and forecasts from standard VARs. To address these issues, we propose VAR models with outlier-augmented stochastic volatility (SV) that combine transitory and persistent changes in volatility. The resulting...
Persistent link: https://www.econbiz.de/10013184356
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