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residuals in GARCH (1,1) models have no incremental explanatory power in the presence of forecasts of conditional volatility …
Persistent link: https://www.econbiz.de/10012778479
I illustrate a model that uses simple statistical conventions to forecast future financing of the cash conversion cycle. The upper bound of a confidence interval provides the basis for the line-of-credit turnover ratio, and the credit line size. This simple method can easily be used by...
Persistent link: https://www.econbiz.de/10012779617
We propose non-nested hypotheses tests for conditional moment restriction models based on the method of generalized empirical likelihood (GEL). By utilizing the implied GEL probabilities from a sequence of unconditional moment restrictions that contains equivalent information of the conditional...
Persistent link: https://www.econbiz.de/10012771848
This paper analyzes whether the system of exchange rate time series of the Japanese yen and the South Korean won is cointegrated by using Engle and Granger's two-step approach to modeling cointegrated processes. The first step involves fitting the long-run relationship in levels by least...
Persistent link: https://www.econbiz.de/10012771944
the model. A detailed illustration is provided for a conditional volatility model with disturbances from the Student's t …
Persistent link: https://www.econbiz.de/10012973460
We are occupied with a simple example concerning the limit theory of the OLSE when the innovation process of the regression has the form of a martingale transform the i.i.d. part of which lies in the domain of attraction of an \alpha-stable distribution, the scalling sequence has a potentially...
Persistent link: https://www.econbiz.de/10013011514
Multicointegration is traditionally defined as a particular long run relationship among variables in a parametric vector autoregressive model that introduces links between these variables and partial sums of the equilibrium errors. This paper departs from the parametric model, using a...
Persistent link: https://www.econbiz.de/10012858174
We propose serial correlation-robust asymptotic confidence bands for the receiver operating characteristic (ROC) curve and its functional, viz. the area under ROC curve (AUC), estimated by quasi-maximum likelihood in the binormal model. Our simulation experiments confirm that this new method...
Persistent link: https://www.econbiz.de/10013019723
To evaluate the price forecasts, we use two data frequencies i.e., annual and quarter with two most demanding techniques, i.e., ARIMA and VAR models to forecast the four index of inflation, named, Consumer Price Index (CPI), Wholesale Price Index (WPI), GNP Price Deflator (GNPPD), and Implicit...
Persistent link: https://www.econbiz.de/10013020243
[Update: Within four weeks of the original publication of this research report, Risk Magazine reported in its 28th February 2012 issue story titled 'Goodbye VaR? Basel to Consider Other Risk Metrics': "A review of trading book capital rules, due to be launched in March by the Basel Committee on...
Persistent link: https://www.econbiz.de/10013024329