Information about the Fudan exchange can be found here.

• Current PhD Students (Ulm University): Manuel Rach, Thorsten Sehner, Nils Sørensen, Fangyuan Zhang (second supervisor)
  
  
• Former PhD Students (Ulm University): Felix Hentschel, Jakob Klein, Simona Clever (second supervisor), Carle Mereu (second supervisor) 
  
  
• Former PhD Students (University of Bonn): Chunli Cheng, Christian Hilpert, Filip Uzelac

• 01.2018 -06.2018: member of Editorial Board, ASTIN-Bulletin - The Journal of the International Actuarial Association
  
  
• 06.2018-present: co-editor, ASTIN-Bulletin - The Journal of the International Actuarial Association

• 04.2019-present: Board member of German Society  For Insurance and Financial Mathematics  (DGVFM)
  
  
• Mitglied des Ausschusses "Hochschulausbildung, Aus- und Weiterbildung" der DGVFM

• Life and Pension Insurance
  
  
• Optimal asset allocation
  
  
• Risk Management in finance and insurance
  
  
• Derivatives pricing

• ​​​​​ 2020-2024, FWO Funding for strategic basic research with a primary societal finality "Towards efficient pillar II and III pension decisions in Flanders: Financial product innovations, optimal goal-based retirement planning and nudging" (with 7 colleagues of Universiteit Gent and Vrije Universiteit Brussel, as invited international coapplicant)
   
• 2020-2021, Netspar and Canadian Global Risk Institute: "International comparison of pension fund regulations" (with Antoon Pelsser, Sally Chen,
  Niels Kortleve and Siert Vos)
   
• 2020-2021, Deutscher Verein für Versicherungswissenschaft: "On the investment strategies in occupational pension plans" (with Mitja Stadje).
   
• 2018-2021, Academic participant of the Netspar Research Grant "Design of pension contracts in incomplete markets and under uncertainty", Netherlands.
   
• 2019-2021, DFG Sachbeihilfe: "Zielrente: die Lösung zur alternden Gesellschaft in Deutschland".

• 2013-2014, Deutscher Verein für Versicherungswissenschaft: "Funding occupational pension plans".

Peer-reviewed publications

 

• "Current developments in German pension schemes: What are the benefits of the new target pension?" (2020), with Manuel Rach, accepted by European Actuarial Journal.

• "Optimal retirement products under subjective mortality beliefs" (2020), with Peter Hieber and Manuel Rach, accepted by Insurance: Mathematics and Economics.

• "On the Optimal Combination of Annuities and Tontines" (2020), with Manuel Rach and Thorsten Sehner, ASTIN Bulletin 50(1), 95-129. [link].

• "Regulatory measures for distressed insurance undertakings: A comparative study" (2020), with Peter Hieber and Lars Lämmlein,  Scandinavian Actuarial Journal, Issue 1, 30-43. [link].
   
• "Options on tontines: an innovative way of combining annuities and tontines" (2019), with Manuel Rach, Insurance: Mathematics and Economics 89, 182-192.[link].
   
• "Optimal retirement planning under partial information" (2019), with Nicole Bäuerle, Statistics & Risk Modeling 36, 37-56 [link].
   
• "Constrained non-concave utility maximization: An application to life insurance contracts with guarantees" (2019), with Peter Hieber and Thai Nguyen, European Journal of Operational Research, 273, 1119-1135 [link].
   
• "Tonuity: a novel individual-oriented retirement plan" (2019), with Peter Hieber and Jakob Klein, ASTIN Bulletin,  49(1), 5-30. [link].
   
• "The impact of longevity and investment risk on a portfolio of life insurance liabilities" (2018), with Anna Rita Bacinello and Pietro Millossovich, European Actuarial Journal, 8(2), 257-290 [link].  (ICA 2018 Best Paper Award for the subject "Aspects of long-term savings: uncertainty in low real returns, longevity and inflation").
   
• "Risk management with multiple VaR constraints" (2018), with Thai Nguyen and Mitja Stadje, Mathematical Methods of Operations Research, 88(2), 297-337 [link].
   
• "Solvency requirement in a unisex mortality model" (2018), with Montserrat Guillen and Elena Vigna, ASTIN Bulletin, 48(3), 1219-1243 [link].
   
• "Optimal investment under VaR-Regulation and Minimum Insurance" (2018), with Thai Nguyen and Mitja Stadje, Insurance: Mathematics and Economics, 79, 194-209. [link]
   
• "Optimal retirement time under habit persistence: what makes individuals retire early?" (2018), with Felix Hentschel and Xian Xu,  Scandinavian Actuarial Journal, 3, 225-249. [link]
   
• "A unisex stochastic mortality model to comply with EU Gender Directive" (2017), with Elena Vigna , Insurance: Mathematics and Economics, 73, 124-136. [link]
   
• "Optimal investment and consumption when allowing terminal debt" (2017), with Michel Vellekoop, European Journal of Operational Research, 258, 385-397. [link]
   
• "Asset allocation, sustainable withdrawal, longevity risk and non-exponential discounting" (2016), with Lukasz Delong, Insurance: Mathematics and Economics, 71, 342–352. [full appendix] [link]
   
• "Optimal asset allocation in life insurance: the impact of regulation" (2016), with Peter Hieber, ASTIN Bulletin, 46(3), 605-626. [link]
   
• "A utility- and CPT-based comparison of life insurance contracts with guarantees" (2015), with Felix Hentschel and Jakob Klein, Journal of Banking and Finance, 61, 327–339. [link]

• "Mergers and Acquisitions: collar contracts" (2015), with Christian Hilpert, Journal of Risk, 17(4), 101-133. [link]
   
• "Optimal Investment for a Defined-Contribution Pension Scheme under a Regime Switching Model" (2015), with Lukasz Delong, ASTIN Bulletin, 45(2), 397-419. [link]
   
• "Optimal supervisory rules for pension funds under diverse pension security mechanisms" (2015), with Simona Clever, European Actuarial Journal, 5(1), 29-53. [link]
   
• "Portability, Salary and Asset Price Risk: A Continuous-Time Expected Utility Comparison of DB and DC Pension Plans" (2015), with Filip Uzelac, Risks, 3(1), 77-102. [link]
   
• "A risk-based premium: what does it mean for DB plan sponsors" (2014), with Filip Uzelac; Insurance: Mathematics and Economics 54(C), 1-11. [link]
   
• "Incentive compatible compensation and regulation" (2014);  Applied Economics 46(25), 3074-3081. [link]
   
• "Optimal stock option schemes for managers" (2014), with Markus Pelger; Review of Managerial Science, 8, 437-464. [link]
   
• "Pension benefit security: A comparison of solvency requirements, a pension guarantee fund and sponsor support" (2013), with Dirk Broeders; Journal of Risk and Insurance, 80(2), 239-272. [link]
   
• "Valuation of hybrid pension liabilities" (2013), with Dirk Broeders and David Rijsbergen; Applied Financial Economics, 23(15), 1215-1229. [link]
   
• "New performance-vested stock option schemes" (2013), with Markus Pelger and Klaus Sandmann; Applied Financial Economics,  23(8), 709-727. [link]
   
• "In Arrear term structure products: no arbitrage pricing bounds and the convexity adjustments " (2012), with Klaus Sandmann;  International Journal of Theoretical And Applied Finance, 15(8), 1-24. [link]
   
• "A risk-based model for the valuation of pension insurance" (2011);  Insurance: Mathematics and Economics, 49(3), 401-409. [link]
   
• "Modeling non-monotone risk aversion using SAHARA utility functions" (2011), with Antoon Pelsser and Michel Vellekoop. Journal of Economic Theory, 146(5), 2075-2092. [link]
   
• "A utility-based comparison of pension funds and life insurance companies under regulatory constraints" (2011), with Dirk Broeders and Birgit Koos. Insurance: Mathematics and Economics, 49(1), 1-10. [link]
   
• "Parisian exchange option" (2011), with Michael Suchanecki. Quantitative Finance, 11(8), 1207-1220. [link]
   
• "Pension regulation and the market value of pension liabilities - a contingent claims analysis using Parisian options" (2010),  with Dirk Broeders. Journal of Banking and Finance, 34(6), 1201-1214. [link]
   
• "On the regulator-insurer-interaction in a structural model"  (2009), with Carole Bernard.  Journal of Computational and Applied Mathematics 233, 3-15. [link]
   
• "Knightian uncertainty and insurance regulation decision" (2009),  with Xia Su. Decisions in Economics and Finance, 32, 13-33. [link]
   
• "On the cost of regulation under Solvency II" (2008),  with Carole Bernard and Antoon Pelsser. Life and Pensions, 4(6), 36-40. [link] 
   
• "Loss analysis of a life insurance company applying discrete-time risk-minimizing hedging strategies" (2008). Insurance: Mathematics and Economics, 42, 1035-1049. [link]
   
• "Endowment assurance products-effectiveness of risk-minimizing strategies under Model Risk" (2008), with Antje B. Mahayni. Asia-Pacific Journal of Risk and Insurance, 2(2) , 47-74. [link]
   
• "Default risk, bankruptcy procedures and the market value of life insurance liabilities" (2007), with Michael Suchanecki. Insurance: Mathematics and Economics, 40(2), 231-255. [link]

Other Publications

• "Regulators under uncertainty: the impact of model uncertainty and information asymmetry'' (2010), with Xia Su. Book chapter in Risk Books and Journals.
   
• "Hedging guarantees under interest rate and mortality risk" (2007), with Antje B. Mahayni. Proceedings of 5th Actuarial and Financial Mathematics Day, February 9, 2007, Royal Flemish Academy of Belgium for Science and the Arts, Brussels, 2007, 43-54.

Working Papers

 

• "Rainbow over Paris", with Evangelia Petrou and Michael Suchanecki; preprint. 
   
• "How relative compensation leads to bad management", with Markus Pelger, preprint.
   
• "Target Date Funds: Marketing or Finance?", with Carla Mereu, Nils Sorensen, and Robert Stelzer, preprint.
   
• "Optimal investments under linear sharing rules", with Nicole Branger, Nadine Gatzert, and Antje Mahayni, preprint.
   
• "Delegation of investment management and financial fairness", with Thai Nguyen, preprint. 
   
• "Market-consistent valuation of participating life insurance contracts under longevity risk: the case with heterogenous groups of policyholders", with Anna Rita Bacinello, Pietro Millossovich, and Thorsten Sehner, preprint.