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This paper develops a method to select the threshold in threshold-based jump detection methods. The method is motivated by an analysis of threshold-based jump detection methods in the context of jump-diffusion models. We show that over the range of sampling frequencies a researcher is most...
Persistent link: https://www.econbiz.de/10011524214
This paper develops a method to select the threshold in threshold-based jump detection methods. The method is motivated by an analysis of threshold-based jump detection methods in the context of jump-diffusion models. We show that over the range of sampling frequencies a researcher is most...
Persistent link: https://www.econbiz.de/10011823308
Persistent link: https://www.econbiz.de/10011738476
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for martingale property of daily exchange rates of seven major currencies vis-a-vis US dollar. To allow for the … exchange rates do not always follow the martingale process. The results show that during the times of coordinated central bank … intervention exchange rates deviate from martingale property …
Persistent link: https://www.econbiz.de/10014126368
We develop tests for deciding whether a large cross‐section of asset prices obey an exact factor structure at the times of factor jumps. Such jump dependence is implied by standard linear factor models. Our inference is based on a panel of asset returns with asymptotically increasing...
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