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Publications

by members of

Økonomi, ledelse og innovasjon
Høgskolen i Innlandet
Lillehammer, Norway

(Economics and Organizational Sciences, Inland Norway University of Applied Sciences)

These are publications listed in RePEc written by members of the above institution who are registered with the RePEc Author Service. Thus this compiles the works all those currently affiliated with this institution, not those affilated at the time of publication. List of registered members. Register yourself. Citation analysis. This page is updated in the first days of each month.
| Working papers | Journal articles |

Working papers

2024

  1. Christian Oliver Ewald & Charles Nolan, 2024. "On the Adaptation of the Lagrange Formalism to Continuous Time Stochastic Optimal Control: A Lagrange-Chow Redux," Working Papers 2024_04, Business School - Economics, University of Glasgow.

2023

  1. Christian Oliver Ewald & Kevin Kamm, 2023. "On the Impact of Feeding Cost Risk in Aquaculture Valuation and Decision Making," Papers 2309.02970, arXiv.org.

2020

  1. Ankush Agarwal & Christian-Oliver Ewald & Yongjie Wang, 2020. "Sharing of longevity basis risk in pension schemes with income-drawdown guarantees," Papers 2002.05232, arXiv.org.

2019

  1. Ankush Agarwal & Christian-Oliver Ewald & Yongjie Wang, 2019. "Hedging longevity risk in defined contribution pension schemes," Papers 1904.10229, arXiv.org, revised May 2020.

2007

  1. Christian-Olivier Ewald & Rolf Poulsen & Klaus Reiner Schenk-Hoppe, 2007. "Stochastic Volatility: Risk Minimization and Model Risk," Swiss Finance Institute Research Paper Series 07-10, Swiss Finance Institute.
  2. Christian-Olivier Ewald & Klaus Reiner Schenk-Hoppe & Zhaojun Yang, 2007. "Closed-Form Solutions For European And Digital Calls In The Hull And White Stochastic Volatility Model And Their Relation To Locally R-Minimizing And Delta Hedges," Swiss Finance Institute Research Paper Series 07-11, Swiss Finance Institute.
  3. Alos, Elisa & Ewald, Christian-Oliver, 2007. "Malliavin differentiability of the Heston volatility and applications to option pricing," MPRA Paper 3237, University Library of Munich, Germany.
  4. Zhang, Aihua & Korn, Ralf & Ewald, Christian-Oliver, 2007. "Optimal management and inflation protection for defined contribution pension plans," MPRA Paper 3300, University Library of Munich, Germany.
  5. Ewald, Christian-Oliver & Xiao, Yajun, 2007. "Information : Price And Impact On General Welfare And Optimal Investment. An Anticipative Stochastic Differential Game Model," MPRA Paper 3301, University Library of Munich, Germany.

2005

  1. Elisa Alòs & Christian-Olivier Ewald, 2005. "A note on the Malliavin differentiability of the Heston volatility," Economics Working Papers 880, Department of Economics and Business, Universitat Pompeu Fabra.

Journal articles

2024

  1. Ewald, Christian Oliver & Nolan, Charles, 2024. "On the adaptation of the Lagrange formalism to continuous time stochastic optimal control: A Lagrange-Chow redux," Journal of Economic Dynamics and Control, Elsevier, vol. 162(C).

2023

  1. Ewald, Christian & Hadina, Jelena & Haugom, Erik & Lien, Gudbrand & Størdal, Ståle & Yahya, Muhammad, 2023. "Sample frequency robustness and accuracy in forecasting Value-at-Risk for Brent Crude Oil futures," Finance Research Letters, Elsevier, vol. 58(PA).
  2. Størdal, Ståle & Ewald, Christian-Oliver & Lien, Gudbrand & Haugom, Erik, 2023. "Trading time seasonality in electricity futures," Journal of Commodity Markets, Elsevier, vol. 31(C).
  3. Ankush Agarwal & Christian-Oliver Ewald & Yongjie Wang, 2023. "Hedging longevity risk in defined contribution pension schemes," Computational Management Science, Springer, vol. 20(1), pages 1-34, December.
  4. Christian-Oliver Ewald & Yuexiang Wu & Aihua Zhang, 2023. "Pricing Asian options with stochastic convenience yield and jumps," Quantitative Finance, Taylor & Francis Journals, vol. 23(4), pages 677-692, April.

2022

  1. Ewald, Christian Oliver & Taub, Bart, 2022. "Real options, risk aversion and markets: A corporate finance perspective," Journal of Corporate Finance, Elsevier, vol. 72(C).
  2. Ewald, Christian-Oliver & Haugom, Erik & Lien, Gudbrand & Størdal, Ståle & Wu, Yuexiang, 2022. "Trading time seasonality in commodity futures: An opportunity for arbitrage in the natural gas and crude oil markets?," Energy Economics, Elsevier, vol. 115(C).
  3. Christian-Oliver Ewald & Erik Haugom & Gudbrand Lien & Pengcheng Song & Ståle Størdal, 2022. "Riding the Nordic German Power-Spread: The Einar Aas Experiment," The Energy Journal, , vol. 43(5), pages 51-70, September.
  4. Jilong Chen & Christian Ewald & Ruolan Ouyang & Sjur Westgaard & Xiaoxia Xiao, 2022. "Pricing commodity futures and determining risk premia in a three factor model with stochastic volatility: the case of Brent crude oil," Annals of Operations Research, Springer, vol. 313(1), pages 29-46, June.

2021

  1. Ewald, Christian & Zou, Yihan, 2021. "Analytic formulas for futures and options for a linear quadratic jump diffusion model with seasonal stochastic volatility and convenience yield: Do fish jump?," European Journal of Operational Research, Elsevier, vol. 294(2), pages 801-815.
  2. Ewald, Christian & Zou, Yihan, 2021. "Stochastic volatility: A tale of co-jumps, non-normality, GMM and high frequency data," Journal of Empirical Finance, Elsevier, vol. 64(C), pages 37-52.

2019

  1. Christian-Oliver Ewald & Aihua Zhang & Zhe Zong, 2019. "On the calibration of the Schwartz two-factor model to WTI crude oil options and the extended Kalman Filter," Annals of Operations Research, Springer, vol. 282(1), pages 119-130, November.

2018

  1. Christian†Oliver Ewald & Marc Yor, 2018. "On peacocks and lyrebirds: Australian options, Brownian bridges, and the average of submartingales," Mathematical Finance, Wiley Blackwell, vol. 28(2), pages 536-549, April.

2017

  1. Ewald, Christian-Oliver & Geißler, Johannes, 2017. "Optimal contracts for central bankers: Calls on inflation," Applied Mathematics and Computation, Elsevier, vol. 292(C), pages 57-62.
  2. Chen, Jilong & Ewald, Christian-Oliver, 2017. "Pricing commodity futures options in the Schwartz multi factor model with stochastic volatility: An asymptotic method," International Review of Financial Analysis, Elsevier, vol. 52(C), pages 144-151.
  3. Ewald, Christian-Oliver & Zhang, Aihua, 2017. "On the effects of changing mortality patterns on investment, labour and consumption under uncertainty," Insurance: Mathematics and Economics, Elsevier, vol. 73(C), pages 105-115.
  4. Christian-Oliver Ewald & Ruolan Ouyang & Tak Kuen Siu, 2017. "On the Market-consistent Valuation of Fish Farms: Using the Real Option Approach and Salmon Futures," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 99(1), pages 207-224.
  5. Christian-Oliver Ewald & Ruolan Ouyang, 2017. "An Analysis of the Fish Pool Market in the Context of Seasonality and Stochastic Convenience Yield," Marine Resource Economics, University of Chicago Press, vol. 32(4), pages 431-449.
  6. Jilong Chen & Christian Ewald, 2017. "On the Performance of the Comonotonicity Approach for Pricing Asian Options in Some Benchmark Models from Equities and Commodities," Review of Pacific Basin Financial Markets and Policies (RPBFMP), World Scientific Publishing Co. Pte. Ltd., vol. 20(01), pages 1-32, March.

2016

  1. Ewald, Christian-Oliver & Zhang, Hai, 2016. "Hedge fund seeding via fees-for-seed swaps under idiosyncratic risk," Journal of Economic Dynamics and Control, Elsevier, vol. 71(C), pages 45-59.
  2. Christian-Oliver Ewald & Athanasios A. Pantelous & Georgios Sermpinis, 2016. "Special Issue of on ‘Commodity Markets’," Quantitative Finance, Taylor & Francis Journals, vol. 16(12), pages 1807-1808, December.
  3. Christian-Oliver Ewald & Roy Nawar & Ruolan Ouyang & Tak Kuen Siu, 2016. "The market for salmon futures: an empirical analysis of the Fish Pool using the Schwartz multi-factor model," Quantitative Finance, Taylor & Francis Journals, vol. 16(12), pages 1823-1842, December.

2015

  1. Christian-Oliver Ewald & Johannes Geissler, 2015. "Markets For Inflation-Indexed Bonds As Mechanisms For Efficient Monetary Policy," Mathematical Finance, Wiley Blackwell, vol. 25(4), pages 869-889, October.
  2. Ewald, Christian-Oliver & Yor, Marc, 2015. "On increasing risk, inequality and poverty measures: Peacocks, lyrebirds and exotic options," Journal of Economic Dynamics and Control, Elsevier, vol. 59(C), pages 22-36.

2014

  1. Sai Hung Marten Ting & Christian-Oliver Ewald, 2014. "Asymptotic Solutions for Australian Options with Low Volatility," Applied Mathematical Finance, Taylor & Francis Journals, vol. 21(6), pages 595-613, December.

2013

  1. Ewald, Christian-Oliver & Menkens, Olaf & Hung Marten Ting, Sai, 2013. "Asian and Australian options: A common perspective," Journal of Economic Dynamics and Control, Elsevier, vol. 37(5), pages 1001-1018.
  2. Ewald, Christian-Oliver & Nawar, Roy & Siu, Tak Kuen, 2013. "Minimal variance hedging of natural gas derivatives in exponential Lévy models: Theory and empirical performance," Energy Economics, Elsevier, vol. 36(C), pages 97-107.
  3. Ting, Sai Hung Marten & Ewald, Christian-Oliver & Wang, Wen-Kai, 2013. "On the investment–uncertainty relationship in a real option model with stochastic volatility," Mathematical Social Sciences, Elsevier, vol. 66(1), pages 22-32.
  4. Sai Hung Marten Ting & Christian-Oliver Ewald, 2013. "On the performance of asymptotic locally risk minimising hedges in the Heston stochastic volatility model," Quantitative Finance, Taylor & Francis Journals, vol. 13(6), pages 939-954, May.

2012

  1. Walailuck Chavanasporn & Christian-Oliver Ewald, 2012. "A Numerical Method for Solving Stochastic Optimal Control Problems with Linear Control," Computational Economics, Springer;Society for Computational Economics, vol. 39(4), pages 429-446, April.
  2. Walailuck Chavanasporn & Christian-Oliver Ewald, 2012. "Privatization of businesses and flexible investment: a real option approach," Decisions in Economics and Finance, Springer;Associazione per la Matematica, vol. 35(1), pages 75-89, May.

2011

  1. Ewald, Christian-Oliver & Wang, Wen-Kai, 2011. "Analytic solutions for infinite horizon stochastic optimal control problems via finite horizon approximation: A practical guide," Mathematical Social Sciences, Elsevier, vol. 61(3), pages 146-151, May.
  2. Zhaojun Yang & Christian-Oliver Ewald & Wen-Kai Wang, 2011. "A Comparative Analysis of the Value of Information in a Continuous Time Market Model with Partial Information: The Cases of Log-Utility and CRRA," Journal of Probability and Statistics, Hindawi, vol. 2011, pages 1-23, August.
  3. Zhaojun Yang & Christian-Oliver Ewald & Olaf Menkens, 2011. "Pricing and hedging of Asian options: quasi-explicit solutions via Malliavin calculus," Mathematical Methods of Operations Research, Springer;Gesellschaft für Operations Research (GOR);Nederlands Genootschap voor Besliskunde (NGB), vol. 74(1), pages 93-120, August.

2010

  1. Wang, Wen-Kai & Ewald, Christian-Oliver, 2010. "A stochastic differential Fishery game for a two species fish population with ecological interaction," Journal of Economic Dynamics and Control, Elsevier, vol. 34(5), pages 844-857, May.
  2. Ewald, Christian-Oliver & Wang, Wen-Kai, 2010. "Irreversible investment with Cox-Ingersoll-Ross type mean reversion," Mathematical Social Sciences, Elsevier, vol. 59(3), pages 314-318, May.
  3. Yang, Zhaojun & Ewald, Christian-Oliver, 2010. "On the non-equilibrium density of geometric mean reversion," Statistics & Probability Letters, Elsevier, vol. 80(7-8), pages 608-611, April.
  4. Wen-Kai Wang & Christian-Oliver Ewald, 2010. "Dynamic voluntary provision of public goods with uncertainty: a stochastic differential game model," Decisions in Economics and Finance, Springer;Associazione per la Matematica, vol. 33(2), pages 97-116, November.
  5. Aihua Zhang & Christian-Oliver Ewald, 2010. "Optimal investment for a pension fund under inflation risk," Mathematical Methods of Operations Research, Springer;Gesellschaft für Operations Research (GOR);Nederlands Genootschap voor Besliskunde (NGB), vol. 71(2), pages 353-369, April.

2009

  1. Rolf Poulsen & Klaus Reiner Schenk-Hoppe & Christian-Oliver Ewald, 2009. "Risk minimization in stochastic volatility models: model risk and empirical performance," Quantitative Finance, Taylor & Francis Journals, vol. 9(6), pages 693-704.
  2. Zhaojun Yang & Christian-Oliver Ewald & Yajun Xiao, 2009. "Implied Volatility From Asian Options Via Monte Carlo Methods," International Journal of Theoretical and Applied Finance (IJTAF), World Scientific Publishing Co. Pte. Ltd., vol. 12(02), pages 153-178.

2008

  1. Carr, Peter & Ewald, Christian-Oliver & Xiao, Yajun, 2008. "On the qualitative effect of volatility and duration on prices of Asian options," Finance Research Letters, Elsevier, vol. 5(3), pages 162-171, September.
  2. Ewald, Christian-Oliver, 2008. "A note on the Malliavin derivative operator under change of variable," Statistics & Probability Letters, Elsevier, vol. 78(2), pages 173-178, February.
  3. Christian-Oliver Ewald & Zhaojun Yang, 2008. "Utility based pricing and exercising of real options under geometric mean reversion and risk aversion toward idiosyncratic risk," Mathematical Methods of Operations Research, Springer;Gesellschaft für Operations Research (GOR);Nederlands Genootschap voor Besliskunde (NGB), vol. 68(1), pages 97-123, August.

2006

  1. Christian-Oliver Ewald & Aihua Zhang, 2006. "A new technique for calibrating stochastic volatility models: the Malliavin gradient method," Quantitative Finance, Taylor & Francis Journals, vol. 6(2), pages 147-158.

2005

  1. Christian-Oliver Ewald, 2005. "Local volatility in the Heston model: a Malliavin calculus approach," International Journal of Stochastic Analysis, Hindawi, vol. 2005, pages 1-16, January.
  2. Christian-Oliver Ewald, 2005. "Optimal Logarithmic Utility And Optimal Portfolios For An Insider In A Stochastic Volatility Market," International Journal of Theoretical and Applied Finance (IJTAF), World Scientific Publishing Co. Pte. Ltd., vol. 8(03), pages 301-319.

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