Welcome to Ruodu Wang's Homepage

Ruodu Wang, Ph.D.

University Research Chair

Associate Professor of Actuarial Science

Department of Statistics and Actuarial Science
University of Waterloo


Google Scholar page     Curriculum Vitae


Research areas

- Statistics - Probability
- Actuarial Science - Financial Engineering
- Quantitative Risk Management - Operations Research

Current research support

Natural Sciences and Engineering Research Council of Canada (RGPIN-2018-03823, RGPAS-2018-522590)

Affiliated member

RiskLab, Department of Mathematics, ETH Zurich

Current teaching - Spring 2018

      None



This site was last updated on May 17, 2018.

Contact

Department of Statistics and Actuarial Science
University of Waterloo
Mathematics 3, 200 University Avenue West
Waterloo, Ontario, Canada N2L 3G1

 

Office: M3 3122
Tel: (519) 888-4567 ext. 31569
Email: wang (at) uwaterloo.ca
Profile at the Department website

Editorial Duties

  2018 - present Co-Editor, ASTIN Bulletin - The Journal of the International Actuarial Association
  2016 - present Co-Editor, European Actuarial Journal
  2016 - present Associate Editor, Acta Mathematicae Applicatae Sinica (English Series)
  2014 - present Editorial Advisory Board, Dependence Modeling

Available Positions

A few postdoctoral and PhD positions in Actuarial Science, Mathematical Finance, Statistics, or Risk Management are currently available in the Department of Statistics and Actuarial Science at the University of Waterloo. For potential research topics, see Publications and Research.

Interested junior scholars and students are welcome to send an email inquiry directly to me. For the postdoctoral positions, applications should be submitted on mathjobs via this link.

Selected Publications

Please see the Publications tab for a full list and pdf files of publications and manuscripts.

(2018) Quantile-based risk sharing. Operations Research, forthcoming (with Paul Embrechts and Haiyan Liu).
(2018) Worst-case Range Value-at-Risk with partial information. SIAM Journal on Financial Mathematics, 9(1), 190-218. (with Lujun Li, Hui Shao and Jingping Yang).
(2018) Asymptotic equivalence of risk measures under dependence uncertainty. Mathematical Finance, 28(1), 29-49 (with Jun Cai and Haiyan Liu).
(2017) Gini-type measures of risk and variability: Gini shortfall, capital allocations, and heavy-tailed risks. Journal of Banking and Finance, 83, 70-84 (with Edward Furman and Ricardas Zitikis).
(2017) Risk bounds for factor models. Finance and Stochastics, 21(3), 631-659 (with Carole Bernard, Ludger Rüschendorf and Steven Vanduffel).
(2016) Joint mixability. Mathematics of Operations Research, 41(3), 808-826 (with Bin Wang).
(2016) Bernoulli and tail-dependence compatibility. Annals of Applied Probability, 26(3), 1636-1658 (with Paul Embrechts and Marius Hofert).
(2015) Extremal dependence concepts. Statistical Science, 30(4), 485-517 (with Giovanni Puccetti).
(2015) Aggregation-robustness and model uncertainty of regulatory risk measures. Finance and Stochastics, 19(4), 763-790 (with Paul Embrechts and Bin Wang).
(2015) How superadditive can a risk measure be? SIAM Journal on Financial Mathematics, 6(1), 776-803 (with Valeria Bignozzi and Andreas Tsanakas).
(2014) Sum of arbitrarily dependent random variables. Electronic Journal of Probability, 19(84), 1-18.
(2014) Risk aggregation with dependence uncertainty. Insurance: Mathematics and Economics, 54, 93-108 (with Carole Bernard and Xiao Jiang).
(2013) Tests for covariance matrix with fixed or divergent dimension. Annals of Statistics, 41(4), 2075-2096 (with Liang Peng and Rongmao Zhang).
(2013) Jackknife empirical likelihood test for equality of two high-dimensional means. Statistica Sinica, 23(2), 667-690 (with Liang Peng and Yongcheng Qi).
(2013) Bounds for the sum of dependent risks and worst Value-at-Risk with monotone marginal densities. Finance and Stochastics, 17(2), 395-417 (with Liang Peng and Jingping Yang).
(2011) The complete mixability and convex minimization problems for monotone marginal densities. Journal of Multivariate Analysis, 102(10), 1344-1360 (with Bin Wang).

Latest Manuscripts

Please, critical comments on these papers are very much appreciated.

(2018) Characterizing optimal allocations in quantile-based risk sharing (with Yunran Wei).
(2018) Combining p-values via averaging (with Vladimir Vovk).
(2017) Competitive equilibria in a comonotone market (with Tim Boonen and Fangda Liu).
(2017) Quantile-based risk sharing with heterogeneous beliefs (with Paul Embrechts, Haiyan Liu and Tiantian Mao).
(2017) Dual utilities under dependence uncertainty (with Zuoquan Xu and Xunyu Zhou).
(2017) Distributional compatibility for change of measures (with Jie Shen, Yi Shen and Bin Wang).
(2017) Characterization, robustness and aggregation of signed Choquet integrals (with Yunran Wei and Gordon Willmot).
(2017) A model-free continuum of degrees of risk aversion (with Tiantian Mao).
(2016) A theory for measures of tail risk (with Fangda Liu).
(2016) Risk aversion in regulatory capital principles (with Tiantian Mao).

Links

Department of Statistics and Actuarial Science, University of Waterloo Seminars in Statistics and Actuarial Science at Waterloo School of Mathematics, Georgia Tech School of Mathematical Sciences, Peking University Waterloo Research Institute in Insurance, Securities and Quantitative Finance (WatRISQ) Risklab Switzerland, ETH Zurich Institute of Mathematical Statistics (IMS) Society of Actuaries (SOA) Statistical Society of Canada (SSC) Natural Sciences and Engineering Research Council of Canada (NSERC) Dependence Modeling, an open access journal European Actuarial Journal ASTIN Bulletin - The Journal of the International Actuarial Association

News

  • May 4, 2018

    I am visiting RiskLab and FIM, Department of Mathematics, ETH Zurich until June 30. My office at ETH: HG.G.39.5.

    Uploaded a new manuscript on SSRN: Characterizing optimal allocations in quantile-based risk sharing, which is a continuation of my previous work on quantile-based risk sharing. Comments are welcome.

  • April 22, 2018

    A few postdoctoral and PhD positions at the University of Waterloo are currently available. Interested junior scholars or students are welcome to send an email inquiry directly to me.

  • April 20, 2018

    Uploaded a new manuscript on SSRN: Combining p-values via averaging. This is an attempt of applying results from the area of risk management into a classic problem in statistics. Comments are welcome.


see old news...