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Publisher:

Pearson/Prentice Hall

Publication Date:

2007

Number of Pages:

496

Format:

Hardcover

Price:

113.33

ISBN:

013147285-2

Category:

Textbook

[Reviewed by , on ]

Susan Staples

05/25/2006

*Mathematical Interest Theory* provides an introduction to interest theory, which deals with various loan and savings models, bonds and stocks, and interpretations of yield rates. The material is presented at a level sufficient to meet the requirements of Exam FM (Financial Mathematics), administered by the Society of Actuaries (SOA). Students pursuing an actuarial career as well as those seeking a mathematically based finances course stand to benefit from this informative, up-to-date, and above all skillfully written treatise.

For a number of years, only two books, *The Theory of Interest,* by S. G. Kellision (2^{nd} Edition 1991) and *Mathematics of Investment and Credit,* (3^{rd} Edition 2004) by S. A. Broverman, have had official SOA sanction as texts for interest theory. Daniel and Vaaler retain much of the infrastructure of Kellison’s text, and this review will mainly be concerned with a comparison between their book and Kellison’s.

The mathematical presentation is superior in Daniel and Vaaler’s book, with clearer motivation, a more conceptual approach, and more complete coverage. This is evident right from Chapter 1. In the introductory material there on the standard accumulation function *a*(*t*) and discount function *v*(*t*), *Mathematical Interest Theory* describes how to handle a general time interval [*t _{1},t_{2}*]

In addition to increased clarity and completeness, Daniel and Vaaler’s work also improves the readability and organization of the text. To this end, the authors place key formulas, facts and algorithms in boxes and new terms are printed in bold as they are introduced. Many of the examples include descriptive titles, for instance, “Finding *a*(*t*) from *d _{t}*” or “Finding a bond’s yield rate,” to help students skimming the book to quickly find relevant material. Furthermore, redesigned exercises feature more applied financial questions and a reduced emphasis on algebraic identity manipulations. Suggested writing activities for each chapter also introduce each homework set.

*Mathematical Interest Theory* further distinguishes itself from Kellison’s text by incorporating present-day calculator usage and by presenting additional financial notions. Kellison still queries students regarding their “pocket calculator” with questions like “Does the calculator have exponential and logarithmic functions?” and the text remains reliant on the use of interest rate tables. In contrast, *Mathematical Interest Theory* presents a brief introduction to the BA-II Plus calculator in Chapter 0 and includes step-by-step instruction throughout the book on relevant calculator algorithms. Students will duly appreciate this detailed practical information, since the FM exam allows and expects the utilization of such calculators. Special topics Daniel and Vaaler treat beyond the scope of Kellison’s text include options, futures, swaps, and the no-arbitrage model. The authors present historical remarks on these financial concepts together with a discussion of how these topics relate to current news headlines.

Instructors and students of interest theory owe Daniel and Vaaler a debt of gratitude for their fine efforts. Assuming reason prevails, *Mathematical Interest Theory* will receive official SOA approval in a timely manner. Indeed, their investment of time and energy deserves no less interest.

Susan Staples, a native New Englander, is a complex analyst who received her PhD from the University of Michigan in 1988 and is now an Associate Professor at Texas Christian University in Fort Worth, TX. With her family she has explored over 50 Texas state parks as well as shared favorite New Hampshire destinations with her husband and native-born Texan children.

0. An Introduction to the Texas Instruments BA II Plus. 1. The Growth of Money. 2. Equations of Value and Yield Rates. 3. Annuities (Annuities Certain). 4. Annuities With Interest Period Different From Conversion Period. 5. Loan Repayment. 6. Bonds. 7. Stocks and Financial Markets. 8. Arbitrage, the Term Structure of Interest Rates, and Derivatives. 9. Interest Rate Sensitivity. |

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