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The Number That Killed Us. A Story of Modern Banking, Flawed Mathematics, and a Big Financial Crisis. Edition No. 1

  • ID: 2102005
  • Book
  • December 2011
  • Region: United States
  • 304 Pages
  • John Wiley and Sons Ltd
A critical look at the risk measurement tool that has repeatedly hurt the financial world

The Number That Killed Us finally tells the "greatest story never told": how a mysterious financial risk measurement model has ruled the world for the past two decades and how it has repeatedly, and severely, caused market, economic, and social turmoil. This model was the key factor behind the unleashing of the cataclysmic credit crisis that erupted in 2007 and which the effects are still being felt around the world. The Number That Killed Us is the first and only book to thoroughly explain this hitherto-uncovered phenomenon, making it the key reference for truly understanding why the malaise took place.

The very number financial institutions and regulators use to measure risk (Vale at Risk/VaR) has masked it, allowing firms to leverage up their speculative bets to unimaginable levels. VaR sanctioned and allowed the monstrously geared toxic punts that sank Wall Street, and the world, during the latest crisis. We can confidently say that VaR was the culprit. In The Number That Killed Us, derivatives expert Pablo Triana takes you through the development of VaR and shows how its inevitable structural flaws allowed banks to take on even greater risks. The precise role of VaR in igniting the latest crisis is thoroughly covered, including in-depth analysis of how and why regulators, by falling in love with the tool, condemned us to chaos. Uncritically embraced worldwide for way too long, VaR is, in the face of such destruction, just starting to be examined as problematic, and in this book Triana (long an open critic of the tool's role in encouraging mayhem) uncovers exactly why it makes our financial world a more dangerous place. If we care for our safety, we should let VaR go.

  • Contains controversial analysis of the hotly debated risk metric Value at Risk (VaR) and its central role in the credit crisis
  • Denounces the role of regulators and academics in forcing the presence of the inevitably malfunctioning in financeland
  • Describes how bonus-hungry traders can use VaR as an alibi to take on the most reckless of bets
  • Reveals how the most recent financial crisis will simply repeat itself if the problems behind VaR are not unmasked
  • Pablo Triana is also the author of Lecturing Birds on Flying

The very risk measurement tool that was intended to contain risk allowed financial firms to blindly take on more. The model that was supposed to save us condemned us to misery. The Number That Killed Us reveals how this has happened and what needs to be done to correct the situation.

Note: Product cover images may vary from those shown
Introduction When a Tie Is More Than Just a Tie ix

April 28, 2004 Steve Benardete Gets His Wish; The World Suffers xxvii

Chapter 1 The Greatest Story Never Told 1

Chapter 2 Origins 49

Chapter 3 They Tried to Save Us 71

Chapter 4 Regulatory Embracement 89

Chapter 5 Abetting the CDO Party 113

Chapter 6 VaR Goes to Washington 161

Chapter 7 The Common Sense That Should Rule the World 181

Finale The Perils of Making the Simple Too Complex 213

Guest Contributions 223

Why Was VaR Embraced?

A Q&A with Nassim Taleb 223

A Pioneer Wall Street Rocket Scientist’s View An Essay by Aaron Brown 226

Notes 245

Acknowledgments 251

About the Author 253

Index 255

Note: Product cover images may vary from those shown
Pablo Triana
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