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Three essays on bias corrected kerne...

Ikeda, Shinsuke.

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Three essays on bias corrected kernel methods for the estimation of the integrated covariance of security returns.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Three essays on bias corrected kernel methods for the estimation of the integrated covariance of security returns./
作者:	Ikeda, Shinsuke.
面頁冊數:	253 p.
附註:	Source: Dissertation Abstracts International, Volume: 71-07, Section: A, page: 2562.
Contained By:	Dissertation Abstracts International71-07A.
標題:	Economics, General. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3411741
ISBN:	9781124061733

Three essays on bias corrected kernel methods for the estimation of the integrated covariance of security returns.
Ikeda, Shinsuke.

Three essays on bias corrected kernel methods for the estimation of the integrated covariance of security returns. - 253 p.

Source: Dissertation Abstracts International, Volume: 71-07, Section: A, page: 2562.

Thesis (Ph.D.)--Boston University, 2010.

The integrated covariance is a multivariate and stochastic generalization of the univariate constant volatility parameter in continuous time finance models. Its estimation is indispensable for a broad range of financial risk management. The availability of intra-daily financial data renders a non-parametric estimation of this variable possible, yet the measurement error likely to contaminate the intra-daily data poses another challenge for currently available estimators.

ISBN: 9781124061733Subjects--Topical Terms:

1017424
Economics, General.

Three essays on bias corrected kernel methods for the estimation of the integrated covariance of security returns.
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245 1 0 $a Three essays on bias corrected kernel methods for the estimation of the integrated covariance of security returns.
300 $a 253 p.
500 $a Source: Dissertation Abstracts International, Volume: 71-07, Section: A, page: 2562.
500 $a Adviser: Zhongjun Qu.
502 $a Thesis (Ph.D.)--Boston University, 2010.
520 $a The integrated covariance is a multivariate and stochastic generalization of the univariate constant volatility parameter in continuous time finance models. Its estimation is indispensable for a broad range of financial risk management. The availability of intra-daily financial data renders a non-parametric estimation of this variable possible, yet the measurement error likely to contaminate the intra-daily data poses another challenge for currently available estimators.
520 $a In chapter one I propose a bias-corrected non-parametric estimator of this variable. It is constructed using a linear combination of two realized kernels. In addition to its simplicity, my estimator has desirable statistical properties including consistency, asymptotic normality and the best parametric rate of convergence n1/4 for the intra-daily sample size n, given serially dependent measurement error. Simulations show that my estimator has much smaller bias than currently available estimators with only a mild increase in variance, so that the overall mean squared error is also smaller. The proposed method is applied to the estimation of the dynamic hedge ratio between spot and futures prices of the SP 500 index.
520 $a In chapter two I study the inferential performance of my estimator proposed in chapter one. Simulations confirm that the confidence intervals of my estimator have smaller sizes and better coverage rates than those of the realized kernel estimator, given the common proxy for the integrated quarticity in constructing the intervals. In an application to the estimation of integrated variances of two representative futures returns, I obtained tighter confidence intervals of the estimator than those of the realized kernel estimator.
520 $a In chapter three I propose a novel non-parametric estimator of the instantaneous volatility of security returns within a daytime trading period. It is constructed using two different kernel windows, the one for the estimation of the integrated variance and the other for its localization at a particular time within a sample period. I prove its consistency, asymptotic normality and the supremal rate of convergence as a function of the smoothness of the instantaneous volatility path. Based on noisy observations with volatility driven by a Brownian diffusion process, the rate is n1/8.
590 $a School code: 0017.
650 4 $a Economics, General. $3 1017424
650 4 $a Economics, Finance. $3 626650
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710 2 $a Boston University. $3 1017454
773 0 $t Dissertation Abstracts International $g 71-07A.
790 1 0 $a Qu, Zhongjun, $e advisor
790 $a 0017
791 $a Ph.D.
792 $a 2010
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