Financial Risk Management for Dummies. 2016. By Aaron Brown. John Wiley & Sons, Ltd., www.wiley.com. 384 pages, $26.99.
The dummies to whom Financial Risk Management for Dummies is addressed are not outright novices. Rather, they exemplify the maxim that a little bit of knowledge is a dangerous thing. Aaron Brown, chief risk officer of AQR Capital Management, devotes much of the book to dispelling mistaken notions about his subject.
“Risk management is not about predicting or preventing disaster,” he writes. Neither, says Brown, is it about estimating probabilities or outcomes. The “frequentist” approach, with its analogies to casino games, has only limited application. “If all risks were playing roulette or drawing cards,” Brown states, “we wouldn’t need risk managers.” There is little in the book about measuring risk because generally speaking, risk that is measurable can be avoided, insured, hedged, or neutralized via diversification. Contrary to the likely expectations of many investment professionals, Value at Risk (VaR) does not enter the discussion until Chapter 6.
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Mastering ’Metrics: The Path from Cause to Effect
The authors provide an easy-to-read overview of key concepts in econometrics for anyone desiring a strong intuitive description of how to conduct analysis using simple techniques. Covering a limited number of topics with practical examples of each, they offer a useful framework for conducting fundamental econometric analysis. Although the book does not directly discuss financial issues, it provides a good foundational review for the financial empiricist who wishes to better structure econometric tests.
Statistics is second only to accounting among the technical skills necessary for engaging in modern finance and is fundamental for anyone who considers quantitative work a core element of finance. Unfortunately, practitioners’ actual statistical and econometric knowledge and intuition may be more limited than their level of academic exposure would suggest. No one willingly reads a book on econometrics to close this knowledge gap, so technical skills atrophy rather than advance with money management experience.
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