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Nonparametric specification tests for stochastic volatility models based on volatility density

Zu, Y. (2015). Nonparametric specification tests for stochastic volatility models based on volatility density. Journal of Econometrics, 187(1), pp. 323-344. doi: 10.1016/j.jeconom.2015.02.045

Abstract

This paper develops a specification test for stochastic volatility models by comparing the nonparametric kernel deconvolution density estimator of an integrated volatility density with its parametric counterpart. L2 distance is used to measure the discrepancy. The asymptotic null distributions of the test statistics are established and the asymptotic power functions are computed. Through Monte Carlo simulations, the size and power properties of the test statistics are studied. The tests are applied to an empirical example.

Publication Type: Article
Additional Information: © 2015, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
Publisher Keywords: nonparametric tests, kernel deconvolution estimator, stochastic volatility model
Subjects: H Social Sciences > HB Economic Theory
Departments: School of Policy & Global Affairs > Economics
SWORD Depositor:
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