All Publications
ZORA Publication List
Publications
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Journal Article
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2025
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Risk parity portfolio optimization under heavy‐tailed returns and dynamic correlations Journal of Time Series Analysis, 46(2):353-377.
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2023
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ARCHModels.jl: Estimating ARCH Models in Julia Journal of Statistical Software, 107(5):1-25.
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Heterogeneous Tail Generalized Common Factor Modeling Digital Finance, 5:389-420.
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Density and Risk Prediction with Non-Gaussian COMFORT Models Annals of Financial Economics, 18(01):2250033.
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2021
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A non-elliptical orthogonal GARCH model for portfolio selection under transaction costs Journal of Banking and Finance, 125:106046.
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2019
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Regime switching dynamic correlations for asymmetric and fat-tailed conditional returns Journal of Econometrics, 213(2):493-515.
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Heterogeneous tail generalized COMFORT modeling via Cholesky decomposition Journal of Multivariate Analysis, 172:84-106.
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2018
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Approximating expected shortfall for heavy-tailed distributions Econometrics and Statistics, 8:184-203.
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2017
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Autoregressive Lag-Order Selection Using Conditional Saddlepoint Approximations Econometrics, 5(3):43.
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The Univariate Collapsing Method for Portfolio Optimization Econometrics, 5(2):18.
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Robust normal mixtures for financial portfolio allocation Econometrics and Statistics, 3:91-111.
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Asymmetric stable Paretian distribution testing Econometrics and Statistics, 1:19-39.
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2016
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Stable-GARCH Models for Financial Returns: Fast Estimation and Tests for Stability Econometrics, 4(2):25.
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2015
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Multivariate asset return prediction with mixture models The European Journal of Finance, 21(13-14):1214-1252.
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COMFORT: A common market factor non-Gaussian returns model Journal of Econometrics, 187(2):593-605.
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ALRIGHT: Asymmetric LaRge-Scale (I)GARCH with Hetero-Tails International Review of Economics and Finance, 40:282-297.
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New graphical methods and test statistics for testing composite normality Econometrics, 3(3):532-560.
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2014
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A fast, accurate method for value-at-risk and expected shortfall Econometrics, 2(2):98-122.
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Fast methods for large-scale non-elliptical portfolio optimization Annals of Financial Economics, 9(2):1-32.
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2013
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Stable mixture GARCH models Journal of Econometrics, 172(2):292-306.
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Time-varying mixture GARCH models and asymmetric volatility North American Journal of Economics and Finance, 26:602-623.
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2009
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Evaluating the density of ratios of noncentral quadratic forms in normal variables Computational Statistics and Data Analysis, 53(4):1264-1270.
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Asymmetric multivariate normal mixture GARCH Computational Statistics and Data Analysis, 53(6):2129-2154.
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CHICAGO: A fast and accurate method for portfolio risk calculation Journal of Financial Econometrics, 7(4):412-436.
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Assessing and improving the performance of nearly efficient unit root tests in small samples Econometric Reviews, 28(5):468-494.
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2008
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An econometric analysis of emission allowance prices Journal of Banking and Finance, 32(10):2022-2032.
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Uniform saddlepoint approximations for ratios of quadratic forms Bernoulli, 14(1):140-154.
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Risk Prediction: A DWARF-like Approach The Journal of Risk Model Validation, 2(1):25-43.
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2007
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Bias-adjusted estimation in the ARX(1) model Computational Statistics and Data Analysis, 51(7):3355-3367.
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Saddlepoint approximations for the doubly noncentral t distribution Computational Statistics and Data Analysis, 51(6):2907-2918.
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2006
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Accurate value-at-risk forecasting based on the Normal-GARCH model Computational Statistics & Data Analysis, 51(4):2295-2312.
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Value-at-risk prediction: A comparison of alternative strategies Journal of Financial Econometrics, 4(1):53-89.
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Modeling and predicting market risk with Laplace-Gaussian mixture distributions Applied Financial Economics, 16(15):1145-1162.
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2004
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Mixed normal conditional heteroskedasticity Journal of Financial Econometrics, 2(2):211-250.
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A new approach to markov-switching GARCH models Journal of Financial Econometrics, 2(4):493-530.
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Modeling higher frequency macroeconomic data: an application to German monthly money demand Applied Economics Quarterly, 50(2):--.
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2003
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Computing moments of ratios of quadratic forms in normal variables Computational Statistics & Data Analysis, 42(3):313-331.
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2002
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Calculating the density and distribution function for the singly and doubly noncentral F Statistics and Computing, 12(1):9-16.
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Stationarity of stable power-GARCH processes Journal of Econometrics, 106(1):97-107.
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Saddlepoint approximation and bootstrap inference for the Satterthwaite class of ratios Journal of the American Statistical Association, 97(459):836-846.
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2001
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Testing the stable Paretian assumption Mathematical and Computer Modelling, 34(9-11):1095-1112.
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2000
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Diagnosing and treating the fat tails in financial returns data Journal of Empirical Finance, 7(3-4):389-416.
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Conditional density and value-at-risk prediciton of Asian currency exchange rates Journal of Forecasting, 19(4):313-333.
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1999
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A simple estimator for the characteristic exponent of the stable paretian distribution Mathematical and Computer Modelling, 29(10-12):161-176.
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1998
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A tail estimator for the index of the stable paretian distribution Communications in Statistics : Theory and Methods, 27(5):1239-1262.
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Approximate distributions for the various serial correlograms Bernoulli, 4(4):497-518.
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Unconditional and conditional distributional models for the Nikkei index Asia - Pacific Financial Markets, 5(2):99-128.
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Book Section
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2018
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COBra: Copula-Based Portfolio Optimization In: Kreinovich, Vladik; Sriboonchitta, Songsak; Chakpitak, Nopasit . Predictive Econometrics and Big Data. Cham: Springer International Publishing, 36-77.
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2012
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Mixture and regime-switching GARCH models In: Bauwens, Luc; Hafner, Christian M; Laurent, Sebastian . Handbook of volatility models and their applications. Hoboken, NJ: Wiley, 71-102.
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Saddlepoint approximations: A review and some new applications In: Gentle, James E; Härdle, Wolfgang K; Mori, Yuichi . Handbook of Computational Statistics : Concepts and Methods. Berlin: Springer (Bücher), 953-984.
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