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To overcome the curse of dimensionality, dimension reduction is important andnecessary for understanding the underlying phenomena in a variety of fields.Dimension reduction is the transformation of high-dimensional data into ameaningful representation in the low-dimensional space. It can be...
Persistent link: https://www.econbiz.de/10009475737
We define and investigate classes of statistical models for the analysis of associations between variables, some of which are qualitative and some quantitative. In the cases where only one kind of variables is present, the models are well-known models for either contingency tables or covariance...
Persistent link: https://www.econbiz.de/10009441395
Japan. We also test for the presence of causality-in-mean and volatility spillovers. The econometric framework is a four … found to play a role in a minority of cases, with mixed signs. Finally, most cases of volatility spillovers occur from …
Persistent link: https://www.econbiz.de/10009481428
The 2006 spike in corn-based ethanol demand has contributed to the increase in basis volatility in corn and soybean … commodities. Despite the overall rise in basis volatility, there remain differences in the degree of volatility that exists across …
Persistent link: https://www.econbiz.de/10009444703
Volatility modelling is a key issue for the finance industry from an academic and practitioner perspective. This is … understandable given the importance that volatility plays in risk management and the development of accurate risk measures in a … such as minimum capital requirements. These risk measures are underpinned by the input of volatility estimates. An …
Persistent link: https://www.econbiz.de/10009475685
, insbesondere der Zeitreihenanalyse liegt. Das Konzept besteht darin, sämtliche wiederkehrenden Aufgaben mit Hilfe von Java …
Persistent link: https://www.econbiz.de/10009467166
Persistent link: https://www.econbiz.de/10009449118
This paper empirically examines the impact of oil price levels and volatility on key macroeconomic indicators of … Indonesia. In particular, two measures of volatility – historical volatility and realized volatility – are utilized and compared … for their different macroeconomic impacts. The relationships between oil price levels, the two volatility measurements …
Persistent link: https://www.econbiz.de/10009449289
into volatility persistence in stock returns. In part two, I show that the introduction of continuous trading on the WSE is … volatility on days after limit hits and positive autocorrelation in stock returns. I do not find significant advantages of this …
Persistent link: https://www.econbiz.de/10009460735
volatility on foreign exchange markets. Starting point is the market participant's microeconomic investment decision, which is … trading volume and volatility on foreign exchange markets. We apply various two-country-models with representative market …
Persistent link: https://www.econbiz.de/10009471738