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Special Issue “Computational Finance and Risk Analysis in Insurance”,
Ralf Korn,
in Risks
(2022)
Keywords: n/a
Worst-case scenario investment for insurers,
Ralf Korn,
in Insurance: Mathematics and Economics
(2005)
An Introduction to Financial Option Valuation: Mathematics, Stochastics and Computation: Desmond J. Higham,
Ralf Korn,
in Journal of the American Statistical Association
(2005)
Optimal portfolios with a positive lower bound on final wealth,
Ralf Korn,
in Quantitative Finance
(2005)
Keywords: Optimal portfolios, Lower bound, Capital guarantee, Martingale method,
Some applications of L2-hedging with a non-negative wealth process,
Ralf Korn,
in Applied Mathematical Finance
(1997)
Keywords: Hedging, Portfolio Optimization, Continuous Trading, Complete, Incomplete, Markets,
Value Preserving Strategies and a General Framework for Local Approaches to Optimal Portfolios,
Ralf Korn,
in Mathematical Finance
(2000)
Optimal portfolios: new variations of an old theme,
Ralf Korn,
in Computational Management Science
(2008)
Keywords: Continuous-time portfolio optimization, Derivatives, Worst-case control, 93E20,
Portfolio optimisation with strictly positive transaction costs and impulse control,
Ralf Korn,
in Finance and Stochastics
(1998)
Keywords: Portfolio optimisation, transaction costs, impulse control, asymptotic analysis.
Value preserving portfolio strategies in continuous-time models,
Ralf Korn,
in Mathematical Methods of Operations Research
(1997)
Keywords: Portfolio optimization, continuous trading, value preservation, diffusion and jump models, constrained markets,
Some applications of impulse control in mathematical finance,
Ralf Korn,
in Mathematical Methods of Operations Research
(1999)
Keywords: Key words: Impulse control, portfolio optimisation, exchange rate, cash management, viscosity solutions,
Value preserving portfolio strategies and the minimal martingale measure,
Ralf Korn,
in Mathematical Methods of Operations Research
(1998)
Keywords: Portfolio optimisation, minimal martingale measure, value preservation, continuous prices,
Realism and practicality of transaction cost approaches in continuous-time portfolio optimisation: the scope of the Morton-Pliska approach,
Ralf Korn,
in Mathematical Methods of Operations Research
(2004)
Optimal Portfolios:Stochastic Models for Optimal Investment and Risk Management in Continuous Time,
Ralf Korn,
from World Scientific Publishing Co. Pte. Ltd.
(1997)
INTRODUCTION AND DISCRETE-TIME MODELS,
Ralf Korn,
from World Scientific Publishing Co. Pte. Ltd.
(1997)
Keywords: ,
THE CONTINUOUS-TIME MARKET MODEL,
Ralf Korn,
from World Scientific Publishing Co. Pte. Ltd.
(1997)
Keywords: ,
THE CONTINUOUS-TIME PORTFOLIO PROBLEM,
Ralf Korn,
from World Scientific Publishing Co. Pte. Ltd.
(1997)
Keywords: ,
CONSTRAINED CONTINUOUS-TIME PROBLEMS,
Ralf Korn,
from World Scientific Publishing Co. Pte. Ltd.
(1997)
Keywords: ,
PORTFOLIO OPTIMISATION IN THE PRESENCE OF TRANSACTION COSTS,
Ralf Korn,
from World Scientific Publishing Co. Pte. Ltd.
(1997)
Keywords: ,
NON-UTILITY BASED PORTFOLIO SELECTION MODELS,
Ralf Korn,
from World Scientific Publishing Co. Pte. Ltd.
(1997)
Keywords: ,
A General Framework for Hedging and Speculating with Options,
Ralf Korn and Paul Wilmott,
in International Journal of Theoretical and Applied Finance (IJTAF)
(1998)
Keywords: Options, Black–Scholes models, hedging, speculation, partial differential equations
OPTIMAL PORTFOLIOS UNDER THE THREAT OF A CRASH,
Ralf Korn and Paul Wilmott,
in International Journal of Theoretical and Applied Finance (IJTAF)
(2002)
Keywords: Optimal portfolios, crash modelling, log-utility, equilibrium strategies, worst-case scenario
A GENERAL FRAMEWORK FOR HIGH YIELD BOND INVESTMENT,
Ralf Korn and Helen Kovilyanskaya,
in International Journal of Theoretical and Applied Finance (IJTAF)
(2007)
Keywords: High yield bond investment, defaultable bond modeling, face value process
MULTI-ASSET WORST-CASE OPTIMAL PORTFOLIOS,
Ralf Korn and Elisabeth Leoff,
in International Journal of Theoretical and Applied Finance (IJTAF)
(2019)
Keywords: Optimal portfolios, crash scenarios, indifference principle, HJB equation, constrained optimization
OPTIMAL PORTFOLIOS WITH DEFAULTABLE SECURITIES A FIRM VALUE APPROACH,
Ralf Korn and Holger Kraft,
in International Journal of Theoretical and Applied Finance (IJTAF)
(2003)
Keywords: Optimal portfolios, credit risk, elasticity, duration, JEL classification code G11
THE SWING OPTION ON THE STOCK MARKET,
Martin Dahlgren and Ralf Korn,
in International Journal of Theoretical and Applied Finance (IJTAF)
(2005)
Keywords: Optimal stopping problem, HJB Variational Inequalities, option pricing
POINT AND INTERVAL FORECASTS OF DEATH RATES USING NEURAL NETWORKS,
Simon Schnürch and Ralf Korn,
in ASTIN Bulletin
(2022)
Worst-case portfolio optimization under stochastic interest rate risk,
Tina Engler and Ralf Korn,
in EconStor Open Access Articles and Book Chapters
(2014)
Keywords: portfolio optimization, worst-case optimization, stochastic interest rate
Worst-Case Portfolio Optimization under Stochastic Interest Rate Risk,
Tina Engler and Ralf Korn,
in Risks
(2014)
Keywords: portfolio optimization; worst-case optimization; stochastic interest rate
Improving Convergence of Binomial Schemes and the Edgeworth Expansion,
Alona Bock and Ralf Korn,
in Risks
(2016)
Keywords: binomial model; Black–Scholes model; option pricing; accelerated convergence; weak convergence
Numerical Algorithms for Reflected Anticipated Backward Stochastic Differential Equations with Two Obstacles and Default Risk,
Jingnan Wang and Ralf Korn,
in Risks
(2020)
Keywords: numerical algorithm; reflected anticipated backward stochastic differential equations; discrete penalization scheme; discrete reflected scheme
Dynamic hybrid products with guarantees—An optimal portfolio framework,
Hayk Hambardzumyan and Ralf Korn,
in Insurance: Mathematics and Economics
(2019)
Keywords: Dynamic hybrid products; Continuous-time portfolio optimization; DTH-products; Discrete vs.; Continuous realization;
Worst Case Portfolio Optimization and HJB-Systems,
Ralf Korn and Mogens Steffensen,
from University of Copenhagen. Department of Economics. Finance Research Unit
Keywords: continuous-time game; asymmetric decisions; market crash; utility optimization
A New Variance Reduction Technique for Estimating Value-at-Risk,
Ralf Korn and Mykhailo Pupashenko,
in Applied Mathematical Finance
(2015)
Optimal Investment and Bounded Ruin Probability: Constant Portfolio Strategies and Mean-variance Analysis 1,
Ralf Korn and Anke Wiese,
in ASTIN Bulletin
(2008)
ON THE STABILITY OF CONTINUOUS‐TIME PORTFOLIO PROBLEMS WITH STOCHASTIC OPPORTUNITY SET,
Ralf Korn and Holger Kraft,
in Mathematical Finance
(2004)
Continuous-time delegated portfolio management with homogeneous expectations: can an agency conflict be avoided?,
Holger Kraft and Ralf Korn,
in Financial Markets and Portfolio Management
(2008)
Keywords: Delegated portfolio decision, Merton’s portfolio problem, Principal-agent theory, Quadratic contract, Exchange option, Growth optimal portfolio, G11, J33,
House Prices as a Result of Trading Activities: A Patient Trader Model,
Ralf Korn and Bilgi Yilmaz,
in Computational Economics
(2022)
Keywords: Patient trader, Housing market, Quantile process
Pricing barrier options in the Heston model using the Heath–Platen estimator,
Coskun Sema and Korn Ralf,
in Monte Carlo Methods and Applications
(2018)
Keywords: Barrier option pricing, Heston stochastic volatility model, Heath–Platen estimator
Editorial,
Ralf Korn and Martin Schweizer,
in Finance and Stochastics
(2009)
The optimal-drift model: an accelerated binomial scheme,
Ralf Korn and Stefanie Müller,
in Finance and Stochastics
(2013)
Keywords: Binomial model, Black–Scholes model, Option pricing, Accelerated convergence, Weak convergence, 91G20, 91G60, G13,
Worst-Case Scenario Portfolio Optimization: a New Stochastic Control Approach,
Ralf Korn and Olaf Menkens,
in Mathematical Methods of Operations Research
(2005)
Keywords: Optimal portfolios, crash modelling, Bellman principle, equilibrium strategies, worst-case scenario, changing market coefficients,
On value preserving and growth optimal portfolios,
Ralf Korn and Manfred Schäl,
in Mathematical Methods of Operations Research
(1999)
Keywords: Key words: Value preserving portfolios, numeraire portfolios, interest oriented portfolios, growth optimal portfolios, logarithmic utility, martingale measure, minimal martingale measure, incomplete financial markets,
Worst-case portfolio optimization in discrete time,
Lihua Chen and Ralf Korn,
in Mathematical Methods of Operations Research
(2019)
Keywords: Worst-case portfolio optimization, Market crash, Dynamic programming
Continuous-time mean-variance portfolio optimization in a jump-diffusion market,
Özge Alp and Ralf Korn,
in Decisions in Economics and Finance
(2011)
Keywords: Mean-variance approach, Jump-diffusions, Portfolio optimization, C61, G11,
Chance-Risk Classification of Pension Products: Scientific Concepts and Challenges,
Ralf Korn and Andreas Wagner,
from World Scientific Publishing Co. Pte. Ltd.
(2018)
Keywords: Insurance, Actuarial Science, Risk Measure, Reinsurance, Copula, Replicating Portfolio, Bayesian Finance, Risk Classification, Stochastic Dominance, Dynamic Hedging, Autoregressive Hidden Markov Models, Exchange-Traded Funds, Uncertainty Quantification, Fixed Income, Stochastic Processes for Finance,
Money and Mathematics,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
“We Take over Your VAT!” How Big Is the Actual Discount?,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
A Fair Deal? Or: There’s Nothing Like Starting Young,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Should I Pay the Bill Quickly? Cash Discount,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
The Children of the Interest Rate Are the Grand-Children of the Capital. Compound Interest,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
When Will Scrooge McDuck Be Satisfied? The Doubling Problem,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
How Real Is Nominal? The Actual Rate of Return on a Principal,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
“Have I Learned to Calculate Correctly?” Why Dr. X. from Gifhorn Was Wrong,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
“What, I Have to Pay that Long?” Full Repayment of a Loan,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
The Widow of the General and the Painter. A Loan à la Chekhov,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Why Does Nominal not Equal Effective? The Effective Interest Rate of an Immediate Loan,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Sandwich with a Car Inside. Financing with Hooks and Eyes,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Millions Every Week, but Not for Me. Six Numbers in the Lottery,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
The Assiduous Clerk. Capital Certificates and Federal Bonds,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
7500 Euros Monthly: A Lifetime. Or Better Yet, Two Millions Right Away?,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Financing a Car with Zero Percent: A Bargain?,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Interest Payments Anytime: Isn’t That Wonderful? Continuous Compounding of Interest,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Bearer Bonds and Coupons. Bond Prices and Returns of Bonds,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Oops! A Law Containing Formulas and Numerical Methods? The Calculation of the Effective Interest Rate According to the German Price Indication Ordinance,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Fair Prices and Market Prices,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
The Short End and the Long End. Yield Curves, Spot Rates, and Forward Rates,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Simple as Vanilla Ice Cream. On Standard Financial Products,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Exchanges for Mutual Benefit. Swaps,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Where Did My Money Go? Loss Compensation After a Price Drop,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
The Telescope That Has Been Pushed Together. How to Calculate a Swap Rate?,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Pull out Yourself of the Swamp by Your Own Hair. The Bootstrapping Method,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
No Risk, No Fun! Risk Indicators of Fixed-Income Securities,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Sleep Well Despite Turbulent Markets? The Immunization Property of the Duration,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Rising Like a Phoenix from the Ashes. New Shine for Your Depot?,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
The Crop of Standing Corn. Are Speculators Really Bad People?,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Orange Juice and Pork Bellies. Forward Transactions,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Empty Pockets and No Money. About Short Sales and No-Arbitrage Portfolios,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Earning Money Without Capital and Risk. Arbitrage Transactions and Fair Prices,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Fibonacci and His Rabbits. A Few Words About Technical Analysis,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
How Do You Catch a Lion? Finding a Zero by Halving the Interval,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
A Trip Around the World: Different Types of Options,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Two Triumvirates: From Arbitrage to Speculation,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Nothing Is for Free: The Arbitrage Principle,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
How Much Do I Have to Pay for My Right? Option Pricing According to Black and Scholes,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
It Takes Two: Option Pricing in the Binomial Model,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Safe Behind the Hedge: Hedging of Stock Positions,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Wrong Calculation—Right Result: Can This Really Be? The Correct Derivation of the Risk Measure Delta,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
The Greeks and the Risk: About Risk Indicators for Stock Options,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
“In, At and Out of the Money”: The Language of the Actors at the Financial Markets,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Volatility Determines the Option Price—Really?,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Upside Down and Up Again. How Many Zeros Does a Polynomial Have?,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Speculating with Options: Rich by Using Leverage?,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
A Portfolio of Shares,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Risky Investments: Everything Under Control,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Negative with a Positive Impact: Risk Reduction Using Correlation,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Above Your Needs and Maybe Even More? The CPPI Strategy,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
High Risk Pays Off!? Sometimes: On Strategies in Stock Market Games,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
A Duo Taming Uncertainty: The Law of Large Numbers and the Central Limit Theorem,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
Do You like Classics? A German Life Insurance Concept,
Ralf Korn and Bernd Luderer,
from Springer
(2021)
More Opportunities: Dynamic Hybrid Products,
Ralf Korn and Bernd Luderer,
from Springer
(2021)