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coverage for small sample sizes, a simple bootstrap procedure is designed based on the leading term of the Bahadur … demonstrated that the bootstrap procedure considerably outperforms the asymptotic bands in terms of coverage accuracy. Finally, the … bootstrap confidence corridors are used to study the efficacy of the National Supported Work Demonstration, which is a …
Persistent link: https://www.econbiz.de/10010427054
In this paper we analyse bootstrap procedures for systems cointegration tests with a prior adjustment for deterministic … the bootstrap test procedures are derived and their small sample properties are studied. The simulation study also …
Persistent link: https://www.econbiz.de/10010263621
. The method is based on the bootstrap, where resampling is done from a suitably estimated empirical density function (edf … distribution is logarithmically slow. It is proved that the bootstrap approximation provides a substantial improvement. The case of …
Persistent link: https://www.econbiz.de/10010270724
, as an alternative to the asymptotic approach, we propose a bootstrap confidence band. The developed theory is helpful for …
Persistent link: https://www.econbiz.de/10010270732
We consider theoretical bootstrap coupling techniques for nonparametric robust smoothers and quantile regression, and … verify the bootstrap improvement. To cope with curse of dimensionality, a variant of coupling bootstrap techniques are …. Our bootstrap method can be used in many situations like constructing con dence intervals and bands. We demonstrate the …
Persistent link: https://www.econbiz.de/10010331127
discrepancy between the IV smiles for levered and unlevered ETF options. We construct bootstrap uniform confidence bands which …
Persistent link: https://www.econbiz.de/10011531880
To evaluate how occurring critical incidents change customer perceptions of brand personality, this study measures the impact on the basis of an online experiment. For this purpose, 1,132 usable responses are gathered considering the smartphone brands of Apple and Nokia as well as different...
Persistent link: https://www.econbiz.de/10010318755
To explore how occurring critical incidents affect customer-brand relations, this study measures the impact on the basis of an online experiment. For this purpose, 1,122 usable responses are gathered considering the smartphone brands of Apple and Nokia as well as different scenarios. The...
Persistent link: https://www.econbiz.de/10010318786
This paper considers estimation and inference for varying-coefficient models with nonstationary regressors. We propose a nonparametric estimation method using penalized splines, which achieves the same optimal convergence rate as kernel-based methods, but enjoys computation advantages. Utilizing...
Persistent link: https://www.econbiz.de/10010319206
This work develops change-point methods for statistics of high-frequency data. The main interest is the volatility of an Itô semi-martingale, which is discretely observed over a fixed time horizon. We construct a minimax-optimal test to discriminate different smoothness classes of the...
Persistent link: https://www.econbiz.de/10010491452