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Discrete Models of Financial Markets PDF

194 Pages·2012·0.79 MB·English
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DiscreteModelsofFinancialMarkets Thisbookexplainsinsimplesettingsthefundamentalideasoffinancial marketmodellingandderivativepricing,usingtheNoArbitragePrinciple. Relativelyelementarymathematicsleadstopowerfulnotionsand techniques–suchasviability,completeness,self-financingandreplicating strategies,arbitrageandequivalentmartingalemeasures–whicharedirectly applicableinpractice.Thegeneralmethodsareappliedindetailtopricing andhedgingEuropeanandAmericanoptionswithintheCox–Ross– Rubinstein(CRR)binomialtreemodel.Asimpleapproachtodiscreteinterest ratemodelsisincluded,which,thoughelementary,hassomenovelfeatures. Allproofsarewritteninauser-friendlymanner,witheachstepcarefully explained,andfollowinganaturalflowofthought.Inthiswaythestudent learnshowtotacklenewproblems. marek capin´ski haspublishedover50researchpapersandninebooks. Hisdiverseinterestsincludemathematicalfinance,corporatefinanceand stochastichydrodynamics.Forover35yearshehasbeenteachingthese topics,mainlyinPolandandintheUK,wherehehasheldvisiting fellowships.HeiscurrentlyProfessorofAppliedMathematicsatAGH UniversityofScienceandTechnologyinKrako´w,Poland. ekkehard kopp isEmeritusProfessorofMathematicsattheUniversity ofHull,UK,wherehetaughtcoursesatalllevelsinanalysis,measureand probability,stochasticprocessesandmathematicalfinancebetween1970and 2007.Hiseditorialexperienceincludesserviceasfoundingmemberofthe SpringerFinanceseries(1998–2008)andtheCUPAIMSLibrarySeries.He hasauthoredmorethan50researchpublicationsandfivebooks. Mastering Mathematical Finance Mastering Mathematical Finance is a series of short books that cover all coretopicsandthemostcommonelectivesofferedinMaster’sprogrammes inmathematicalorquantitativefinance.Thebooksarecloselycoordinated and largely self-contained, and can be used efficiently in combination but alsoindividually. TheMMFbooksstartfinanciallyfromscratchandmathematicallyassume onlyundergraduatecalculus,linearalgebraandelementaryprobabilitythe- ory.Thenecessarymathematicsisdevelopedrigorously,withemphasison anaturaldevelopmentofmathematicalideasandfinancialintuition,andthe readersquicklyseereal-lifefinancialapplications,bothformotivationand as the ultimate end for the theory. All books are written for both teaching andself-study,withworkedexamples,exercisesandsolutions. [DMFM] DiscreteModelsofFinancialMarkets, MarekCapin´ski,EkkehardKopp [PF] ProbabilityforFinance, EkkehardKopp,JanMalczak,TomaszZastawniak [SCF] StochasticCalculusforFinance, MarekCapin´ski,EkkehardKopp,JanuszTraple [BSM] TheBlack–ScholesModel, MarekCapin´ski,EkkehardKopp [PTRM] PortfolioTheoryandRiskManagement, MaciejCapin´ski,EkkehardKopp [NMFC] NumericalMethodsinFinancewithC++, MaciejCapin´ski,TomaszZastawniak [SIR] StochasticInterestRates, DaraghMcInerney,TomaszZastawniak [CR] CreditRisk, MarekCapin´ski,TomaszZastawniak [FE] FinancialEconometrics, MarekCapin´ski,JianZhang [SCAF] StochasticControlinFinance, SzymonPeszat,TomaszZastawniak Series editors Marek Capin´ski, AGH University of Science and Technol- ogy, Krako´w; Ekkehard Kopp, University of Hull; Tomasz Zastawniak, UniversityofYork Discrete Models of Financial Markets MAREK CAPIN´SKI AGHUniversityofScienceandTechnology,Krako´w,Poland EKKEHARD KOPP UniversityofHull,Hull,UK cambridge university press Cambridge,NewYork,Melbourne,Madrid,CapeTown, Singapore,Sa˜oPaulo,Delhi,Tokyo,MexicoCity CambridgeUniversityPress TheEdinburghBuilding,CambridgeCB28RU,UK PublishedintheUnitedStatesofAmericabyCambridgeUniversityPress, NewYork www.cambridge.org Informationonthistitle:www.cambridge.org/9781107002630 (cid:2)C M.Capin´skiandE.Kopp2012 Thispublicationisincopyright.Subjecttostatutoryexception andtotheprovisionsofrelevantcollectivelicensingagreements, noreproductionofanypartmaytakeplacewithoutthewritten permissionofCambridgeUniversityPress. Firstpublished2012 PrintedintheUnitedKingdomattheUniversityPress,Cambridge AcataloguerecordforthispublicationisavailablefromtheBritishLibrary LibraryofCongressCataloguinginPublicationdata Capinski,Marek,1951– Discretemodelsoffinancialmarkets/MarekCapinski,EkkehardKopp. pages cm.–(Masteringmathematicalfinance) Includesbibliographicalreferencesandindex. ISBN978-1-107-00263-0–ISBN978-0-521-17572-2(pbk.) 1.Finance–Mathematicalmodels. 2.Interestrates–Mathematicalmodels. I.Kopp,P.E.,1944– II.Title. HG106.C357 2012 332.01(cid:3)5111–dc23 2011049193 ISBN978-1-107-00263-0Hardback ISBN978-0-521-17572-2Paperback Additionalresourcesforthispublicationat www.cambridge.org/9781107002630 CambridgeUniversityPresshasnoresponsibilityforthepersistenceor accuracyofURLsforexternalorthird-partyinternetwebsitesreferredto inthispublication,anddoesnotguaranteethatanycontentonsuch websitesis,orwillremain,accurateorappropriate. ToEwaandMargaret Contents Preface page ix 1 Introduction 1 2 Single-step asset pricing models 3 2.1 Single-step binomial tree 4 2.2 Option pricing 8 2.3 General derivative securities 11 2.4 Two underlying securities 18 2.5 The trinomial model 21 2.6 A general single-step model 34 2.7 General properties of derivative prices 42 2.8 Proofs 45 3 Multi-step binomial model 48 3.1 Two-step example 48 3.2 Partitions and information 55 3.3 Martingale properties 60 3.4 The Cox–Ross–Rubinstein model 64 3.5 Delta hedging 70 4 Multi-step general models 72 4.1 Partitions and conditioning 72 4.2 Properties of conditional expectation 74 4.3 Filtrations and martingales 78 4.4 Trading strategies and arbitrage 81 4.5 A general multi-step model 86 4.6 The Fundamental Theorems of Asset Pricing 92 4.7 Selecting and calibrating a pricing model 98 4.8 More examples of derivatives 100 4.9 Proofs 108 5 American options 110 5.1 Pricing 111 5.2 Stopping times and optimal exercise 116 5.3 Hedging 122 vii viii Contents 5.4 General properties of option prices 127 5.5 Proofs 133 6 Modelling bonds and interest rates 137 6.1 Zero-coupon bonds 138 6.2 Forward rates 141 6.3 Coupon bonds 146 6.4 Binary tree term structure models 152 6.5 Short rates 166 6.6 The Ho–Lee model of term structure 173 Index 180

Description:
This book explains in simple settings the fundamental ideas of financial market modelling and derivative pricing, using the no-arbitrage principle. Relatively elementary mathematics leads to powerful notions and techniques - such as viability, completeness, self-financing and replicating strategies,
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