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S&S Zweig insertIn YOUR MONEY AND YOUR BRAIN: How the New Science of Neuroeconomics Can Help Make You Rich, Jason Zweig reveals in clear and accessible terms what actually goes on inside our brains when we make decisions about money.



“How could I have been such an idiot?”  If you’ve never asked that question of yourself, you’re not an investor.  There may be nothing in life that makes so many people feel as stupid as investing does.  Yet while many books describe the mistakes investors make, only one draws on the latest scientific research to explain why smart people can be so dumb about money – and how they can do better.  In YOUR MONEY AND YOUR BRAIN: How the New Science of Neuroeconomics Can Help Make You Rich, Jason Zweig reveals in clear and accessible terms what actually goes on inside our brains when we make decisions about money.  More importantly, he highlights practical steps that beginning and advanced investors alike can easily follow to improve their financial performance.

Zweig writes: “I’ve been a financial journalist since 1987, and nothing I’ve ever learned about investing has excited me more than the spectacular findings emerging from the study of ‘neuroeconomics.’   Thanks to this newborn field – a hybrid of neuroscience, economics, and psychology – we can begin to understand what drives investing behavior not only on the theoretical or practical level, but as a basic biological function.   These flashes of fundamental insight will enable you to see as never before what makes you tick as an investor.”



Order Online:

Your Money & Your Brain, How The New Science of Neuroscience Can Help Make You Rich YOUR MONEY AND YOUR BRAIN: How The New Science Of Neuroeconomics Can Help Make You Rich
By Jason Zweig
Simon & Schuster
(340 pp, $26.00)To purchase online, click the link below:



Visitors (and readers of the paperback edition) can click to download PDF of full-color illustrations from the hardcover edition: S&S Zweig insert



Money Magazine, Sept. 2007:, Sept. 4, 2007:

Fortune Magazine, Dec. 24, 2007:



“This short and entertaining book packs a vast amount of serious information about your brain, about your mind, and about your money.  You will learn a lot when you read it for the first time, and you will probably want to read it again to learn some more.”
— Daniel Kahneman, professor of psychology, Princeton University; 2002 Nobel laureate in economics

“Jason Zweig is one of the world’s experts on the investing process.  He has written the best book yet on the emerging science of neuroeconomics.  Buy it, read it, and become a more thoughtful, and a better, investor.”
— Bill Miller, chairman and chief investment officer, Legg Mason Capital Management

“As advertised, this book is about your brain, but yours is not the only brain in this book.  Lucky for you, that other brain is Jason Zweig’s, and what a brilliant, fascinating, illuminating, powerful, and unique device that is.  Listen to Zweig carefully.  I have read a zillion books on investing, and none of them comes close to what he has so generously bestowed upon us here.”
— Peter L. Bernstein, author, Against the Gods: The Remarkable Story of Risk

“Jason Zweig has written a pioneering work.  His findings challenge many of our conventional beliefs about investor behavior.  Zweig goes a step further by laying down a series of rules that, if followed, will prevent the reader from making any of the emotional decisions that have cost investors dearly over time.  Your Money and Your Brain is a book that stands head and shoulders above the conventional pablum served up in most stock market books.”
— David Dreman, chairman, Dreman Capital Management, and author, Contrarian Investment Strategies: The Next Generation

“Jason Zweig knows your financial demons, where they live, why they’re making you poor, and how you can beat them.  You owe it to yourself, your future, and your heirs to read Your Money and Your Brain.”
— William Bernstein, Efficient Frontier Advisors, and author, The Four Pillars of Investing



Mike Clowes, Investment News, Aug. 20, 2007:
“brilliant…. This is a book every financial professional should read — and reread at least annually.”

Kerry Hannon, USA Today, Sept. 9, 2007:
“…you may not get rich reading this book. But you might slow down to the point where emotion and intellect co-exist happily, the perfect money mood.”

Joe Nocera, The New York Times, Sept. 29, 2007:
What makes markets go to extremes?  “Mr. Zweig has tried to find an answer to that question. In his new book, Your Money & Your Brain (Simon & Schuster), he’s as close as anybody’s likely to come.”

Paul B. Farrell,, Oct. 1, 2007:

“brilliant new book”

Dan Solin, The Huffington Post, Oct. 1, 2007:
“fascinating new book…an excellent read.”

Avner Mandelman, The Globe and Mail (Toronto), Oct. 8, 2007:
“Every now and then a fresh investment book comes along that says something new. The latest is by Jason Zweig, called Your Money and Your Brain.”

Carolyn Sayre, Time Magazine, Oct. 11, 2007:,9171,1670488,00.html
“…with self-awareness and a basic understanding of the brain’s mechanics, we can dupe the greatest financial foe of all — ourselves.”

Ellen Roseman, The Toronto Star, Oct. 17, 2007:

Tom Stevenson, The Daily Telegraph (London), Oct. 30, 2007:
“compelling…go and get a copy of Your Money and Your Brain.  It is likely to be one of your better investments.”

Jane Bryant Quinn,, Nov. 7, 2007:
“We’re hard-wired to kid ourselves.  If you doubt it, take a look at Your Money and Your Brain, a new book by Money magazine writer Jason Zweig.”

Whitney Tilson, Financial Times, Nov. 9, 2007:
“excellent new book”

Bill Barnhart, The Chicago Tribune, Nov. 9, 2007:,0,1894976.column
“Zweig’s book puts you, the buyer of investment advice and products, on a more equal footing with the sellers. It belongs on every investor’s bookshelf.”

David Yeske,, Nov. 27, 2007:

“a great explanation of why we’re hardwired to make bad financial decisions”

Bob Frick, Kiplinger’s Personal Finance, Dec. 2007:
one of the five “best investing reads of 2007” (but “a few dozen pages too long”)

Steve Butler, The Contra Costa Times, Dec. 3, 2007:

(requires free registration)
“new, soon-to-be-a-classic book”

Austin Spencer, The Asheville (N.C.) Citizen-Times, Dec. 4, 2007:
“a frustrating experience”

Tim Hanson, The Motley Fool, Jan. 2, 2008:

“Zweig has finally explained the brain science” of investing

Martin S. Fridson, CFA Institute Online Book Reviews, vol. 3, no. 1:
“Zweig’s enthusiasm and zest for detail sparkle throughout this fascinating account…a book destined to be a landmark in the popular finance literature.”



PBS, Nightly Business Report, Aug. 14, 2007:

Newsweek, Aug. 31, 2007:

US News & World Report, Aug. 31, 2007:

PBS, Consuelo Mack WealthTrack, Sept. 7, 2007:

CNBC, Power Lunch, Sept. 11, 2007:

National Public Radio, The Leonard Lopate Show, Sept. 12, 2007:

The Jean Chatzky Show, Oprah & Friends, Sirius Radio, Sept. 14, 2007:

National Public Radio, Marketplace, Sept. 21, 2007:

The Toronto Globe and Mail, Sept. 28, 2007:
RTGAM.20070928. wheinzl0928/BNStory/International/

South Florida Sun-Sentinel, Oct. 7, 2007:

DNA India (Mumbai), Oct. 16-17, 2007 (two parts):

Yahoo! Finance, Oct. 18, 2007:;_


The Motley Fool, Oct. 18-19, 2007 (two parts):


Research Magazine, Nov. 2007:
Issues/2007/11/Index/Features/11_f_mindmoney, Nov. 9, 2007:

Bay Street Bull (Toronto), Nov. 15, 2007:

PBS, Consuelo Mack WealthTrack, Nov. 30, 2007:

National Public Radio, On Point (WBUR), Dec. 19, 2007:




The worst thing about publishing a book is discovering that, despite all your best efforts, it still has mistakes in it.  (Actually, there would be one thing worse: Making mistakes and never discovering them.)  The only good thing about making those errors is the smart people you meet and the gracious way they inform you that you are wrong.  Here are the mistakes that I know about so far; they were not committed by that universal culprit, “editing error,” but by me.  The paperback edition, due out in the fall of 2008, should incorporate most of the following corrections.  But that does not diminish my debt to the people who pointed the errors out to me; a good book can make some readers smarter, but good readers can make any author smarter.

p. 20:

“They were told they could verify the expert’s claim by choosing to observe any or all of the following evidence:”
“They were told they could verify the expert’s claim by observing outcomes from one or more of the following categories of evidence:”
Many readers interpreted the original to mean that you are free to observe any or all of the outcomes from any or all of the four choices.  The corrected wording should make it clearer that you can sample outcomes from as many of the four choices as you care to — not that you can observe every single outcome.
Second Note:
This example is still not correct and requires considerable reworking to be valid.  I will post a revised version shortly.
Thanks to:
Whitney Tilson, Dave Chilton, David Schwinger, Joseph LeBaron, Andrew Hood, Greg Bearth, Brad Close, Alex Doman, Geoff Townsend, and to Robin Hogarth for confirming the final wording

p. 94:

Next Zajonc displayed Chinese ideographs to people who had no familiarity with the Asian alphabet….”
Chinese ideographs, of course, do not constitute an alphabet!
Thanks to:
Martin S. Fridson, CFA

p. 101:

“Most of these people were well aware that each bet has identical, 50/50 odds of winning.”
“Most of these people knew that a stock chosen at random cannot be much more likely to go up tomorrow than it was to rise yesterday.”
Thanks to:
Christopher DeMuth

p. 160:

“And the amygdala helps infuse your bloodstream with corticosterone, a stress hormone that assists the body in responding to an emergency.”
“And the amygdala helps infuse your bloodstream with cortisol, a stress hormone that assists the body in responding to an emergency.”
Thanks to:
Donald Gordon, M.D., and to Antoine Bechara, Ph.D. for confirming the final wording

p. 269 (Appendix 2):

“Remember that this stock must go up more than 14 percent just for you to break even after paying at least 2 percent in brokerage costs and 10 percent in capital gains taxes. On short-term trades, you need more than a 50 percent gain before costs to break even after costs.”
“Remember that this stock must go up more than 3 percent just for you to break even after paying at least 2 percent in brokerage costs and 10 percent in capital gains taxes. On short-term trades, you need a 4 percent gain before costs to break even after costs.”
Thanks to:
John Yow


About Jason Zweig:

Jason Zweig

Jason Zweig is the investing and personal finance columnist for The Wall Street Journal. Previously, he was a senior writer for Money magazine and a guest columnist for Time magazine and Before joining Money in 1995, Zweig was the mutual funds editor at Forbes. A frequent commentator on television and radio, Zweig is also a popular public speaker who has addressed the American Association of Individual Investors, the Aspen Institute, the CFA Institute, the Morningstar Investment Conference, and university audiences at Harvard, Stanford, and Oxford. He serves on the editorial boards of Financial History magazine and the Journal of Behavioral Finance. Zweig has a BA from Columbia College, where he was awarded a John Jay National Scholarship.  LEARN MORE ABOUT JASON


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