A Course in Credibility Theory and its Applications de Hans Bühlmann

A Course in Credibility Theory and its Applications: Universitext

Autor Hans Bühlmann, Alois Gisler

en Limba Engleză Paperback – 30 aug 2005

Structura și metodologia lucrării A Course in Credibility Theory and its Applications sunt fundamentate pe o evoluție pedagogică de peste două decenii, transformând un subiect teoretic complex într-un instrument riguros pentru calculul primelor de asigurare. Considerăm că volumul reușește să echilibreze dualitatea dintre rigoarea matematică și necesitatea aplicativă, organizând materialul de la conceptele de bază ale Primei Bayes și Estimatorilor de Credibilitate până la structuri avansate, precum Modelele de Credibilitate Evoluționară și Calculul Recursiv. Subliniem faptul că autorii utilizează un spectru larg de instrumente, de la statistica bayesiană la tehnici în spații Hilbert, pentru a soluționa problema fundamentală a ponderării informației provenite din riscul individual față de cel colectiv.

În contextul operei autorului, această apariție din seria Universitext reprezintă succesorul natural și maturizat al lucrării Mathematical Methods in Risk Theory. Dacă volumul anterior punea bazele sistematice ale teoriei riscului, titlul de față rafinează specific paradigma credibilității, integrând contribuții personale care au definit domeniul actuarial modern. Lucrarea extinde cadrul propus de Introductory Statistics with Applications in General Insurance cu date noi și o profunzime matematică superioară, trecând de la o introducere elementară la o tratare multidimensională și ierarhică a datelor. Reținem, de asemenea, că spre deosebire de abordările generaliste din Statistical and Probabilistic Methods in Actuarial Science, Hans Bühlmann și Alois Gisler se concentrează pe mecanismele fine de ajustare a primelor, inclusiv tratamentul daunelor mari, oferind o progresie logică de la modelele liniare simple la cele de regresie și sisteme dinamice.

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Specificații

ISBN-13: 9783540257530
ISBN-10: 3540257535
Pagini: 356
Ilustrații: XVIII, 338 p. 31 illus., 22 illus. in color.
Dimensiuni: 155 x 235 x 20 mm
Greutate: 0.54 kg
Ediția:2005
Editura: Springer
Colecția Universitext
Seria Universitext

Locul publicării:Berlin, Heidelberg, Germany

Public țintă

Graduate

De ce să citești această carte

Recomandăm această carte studenților de la master și practicienilor din domeniul financiar care doresc să stăpânească fundamentul matematic al tarifării în asigurări. Cititorul câștigă o înțelegere profundă a modului în care datele istorice individuale pot fi combinate statistic cu experiența colectivă. Este o resursă esențială pentru pregătirea examenelor actuariale profesionale, oferind soluții riguroase pentru modele de regresie și prognoză recursivă.

Despre autor

Hans Bühlmann este unul dintre cei mai influenți actuari ai secolului XX, profesor emerit la ETH Zürich, cunoscut pentru introducerea modelului de credibilitate care îi poartă numele. Opera sa a pus bazele matematice ale teoriei moderne a riscului. Alois Gisler, colaborator de lungă durată și expert în domeniu, aduce o vastă experiență practică din industria asigurărilor. Împreună, autorii au modelat curriculumul academic internațional, transformând statistica teoretică într-un limbaj operațional pentru managementul riscului și calculul actuarial de precizie.

Descriere scurtă

The topic of credibility theory has been for many years — and still is — one of our major interests. This interest has led us not only to many publications, but also has been the motivation for teaching many courses on this topic over more than 20 years. These courses have undergone considerable changes over time. What we present here, “A Course in Credibility Theory and its Applications”, is the ?nal product of this evolution. Credibility theory can be seen as the basic paradigm underlying the pricing of insurance products. It resides on the two fundamental concepts “individual risk” and “collective” and solves in a rigorous way the problem of how to analyse the information obtained from these sources to arrive at the “insurance premium”. The expression “credibility” was originally coined for the weight given to the experience from the “individual risk”. Credibility theory as a mathematical discipline borrows its methods from 2 many ?elds of mathematics, e. g. Bayesian statistics, L Hilbert space te- niques, least squares, and state space modelling to mention only the most important ones. However, credibility theory remains a lifeless topic if it is not linked closely with its applications. Only through these applications has cr- ibility won its status in insurance thinking. The present book aims to convey this dual aspect of credibility and to transmit the ?avour of the insurance applications also to those readers who are not directly involved in insurance activities.

Cuprins

The Bayes Premium.- Credibility Estimators.- The Bühlmann-Straub Model.- Treatment of Large Claims in Credibility.- Hierarchical Credibility.- Multidimensional Credibility.- Credibility in the Regression Case.- Evolutionary Credibility Models and Recursive Calculation.- Multidimensional Evolutionary Models and Recursive Calculation.

Recenzii

From the reviews:
"The book is aimed at teachers and students as well as practicing experts in the financial area … . Persons working in the wider world of finance will also find many relevant ideas and examples even though credibility methods have not yet been widely applied here. The book covers the subject of Credibility Theory extensively and includes most aspects of this topic from the simplest case to the most general dynamic model." (Zeitschrift für die gesamte Versicherungswissenschaft, Issue 2, 2006)
"The authors … have done an excellent job while explaining the basic concept and at the same time elaborating on the practical problems actuaries encounter. … The book is aimed at teachers, students and practising experts, especially actuaries working in property-casualty insurance. … The book has relevant practical examples and exercises which practitioners might find useful. It may be useful for students/non-actuaries who do not have a statistical background … ." (Gautam Kakar, Annals of Actuarial Science, Vol. 2 (2), 2007)

Notă biografică

Hans Bühlmann
Hans Bühlmann is professor emeritus of ETH Zürich, where he taught mathematics for more than thirty years. He has held visiting appointments at UC Berkeley, University of Michigan, UL Bruxelles, University of Tokyo, University of Manitoba, Università La Sapienza in Rome, Scuola Normale Superiore Pisa. His interest in actuarial science dates back to his first employment after his doctorate, when he worked in the insurance industry. His book "Mathematical Methods in Risk Theory" (Springer Grundlehren) is a classic in the actuarial literature.
www.math.ethz.ch/~hbuhl

Alois Gisler
Alois Gisler is chief actuary at Winterthur Insurance Company and professor at ETH Zürich, where he teaches non-life insurance mathematics and credibility. He wrote his doctoral thesis with Hans Bühlmann at ETH, and since then has worked for more than twenty years in the insurance industry. While a full time practising actuary, he has always kept in close contact with actuarial science: he was co-editor of the ASTIN-Bulletin for 10 years and has published many articles, mainly in credibility theory.
www.math.ethz.ch/~gisler

Textul de pe ultima copertă

The book is aimed at teachers and students as well as practising experts in the financial area, in particular at actuaries in the field of property-casualty insurance, life insurance, reinsurance and insurance supervision. Persons working in the wider world of finance will also find many relevant ideas and examples even though credibility methods have not yet been widely applied here.

The text combines scientific rigour with direct practical applicability. It is based on courses given by the two authors at ETH Zürich. These courses have undergone considerable changes over time. "A Course in Credibility Theory and its Applications" is the final product of this evolution. It covers the subject of Credibility Theory extensively and includes most aspects of this topic from the simplest case to the most general dynamic model. The first four chapters contain plenty of material for a first course on Credibility. The whole text is intended as a full one year course at intermediate to advanced level.
Credibility is a lifeless topic if it is not linked closely to practical applications. The book therefore treats explicitly the tasks which the actuary encounters in his daily work such as estimation of loss ratios, claim frequencies and claim sizes. The models are worked out in detail (including the estimation of structural parameters) so that they can immediately be applied in practice. Most exercises are based on real insurance data and real situations from practice and many of them have the characteristics of a case study. The extension to practical problems arising from the general area of finance is often quite straightforward.
This book deserves a place on the bookshelf of every actuary and mathematician who works, teaches or does research in the area of insurance and finance.

Caracteristici

First text treating all aspects of credibility Results are derived and intuitively interpreted Practitioners find many applications Includes supplementary material: sn.pub/extras