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a k-step parametric bootstrap bias corrected estimator. We prove that our estimator is asymptotically normal and is … centered at the true parameter if T grows faster than ∛n. In addition to bias correction, we construct a confidence interval …’s is smaller than those of the alternatives. We also propose bias correction for average marginal effects …
Persistent link: https://www.econbiz.de/10014188742
Bias correction can often improve the finite sample performance of estimators. We show that the choice of bias … estimate of the bias is asymptotically linear. It is also shown that bootstrap, jackknife, and analytical bias estimates are … estimators the straightforward bootstrap bias correction gives the same higher-order variance as more complicated analytical or …
Persistent link: https://www.econbiz.de/10015053878
the bias is larger for a more persistent factor. In such a case, bootstrap procedures are effective in reducing the bias …
Persistent link: https://www.econbiz.de/10011723905
When analyzing what determines the efficiency of production, regressing efficiency scores estimated by DEA on explanatory variables has much intuitive appeal. Simar and Wilson (2007) show that this nai͏̈ve two-stage estimation procedure suffers from severe flaws, that render its results, and...
Persistent link: https://www.econbiz.de/10011854094
Persistent link: https://www.econbiz.de/10003775644
Bei der Kreditrisikobewertung müssen die Parameter Ausfallwahrscheinlichkeit und korrelation geschätzt werden. Diese Schätzung erfolgt unter Unsicherheit. In der Literatur werden asymptotische Konfidenzregionen diskutiert, um diese Unsicherheit bei der simultanen Schätzung beider Parameter...
Persistent link: https://www.econbiz.de/10003825755
We introduce a new hybrid approach to joint estimation of Value at Risk (VaR) and Expected Shortfall (ES) for high quantiles of return distributions. We investigate the relative performance of VaR and ES models using daily returns for sixteen stock market indices (eight from developed and eight...
Persistent link: https://www.econbiz.de/10003891679
Persistent link: https://www.econbiz.de/10008826413
A novel simulation-based methodology is proposed to test the validity of a set of marginal time series models, where the dependence structure between the time series is taken "directly" from the observed data. The procedure is useful when one wants to summarize the test results for several time...
Persistent link: https://www.econbiz.de/10010250513
In practice, multivariate dependencies between extreme risks are often only assessed in a pairwise way. We propose a test to detect when tail dependence is truly high{dimensional and bivariate simplifications would produce misleading results. This occurs when a significant portion of the...
Persistent link: https://www.econbiz.de/10010402973