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Models. Behaving. Badly.

Models. Behaving. Badly. Why Confusing Illusion With Reality Can Lead to Disaster, on Wall Street and in Life

Paperback (24 Jul 2012)

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Publisher's Synopsis

Now in paperback, "a compelling, accessible, and provocative piece of work that forces us to question many of our assumptions" (Gillian Tett, author of Fool's Gold).Quants, physicists working on Wall Street as quantitative analysts, have been widely blamed for triggering financial crises with their complex mathematical models. Their formulas were meant to allow Wall Street to prosper without risk. But in this penetrating insider's look at the recent economic collapse, Emanuel Derman--former head quant at Goldman Sachs--explains the collision between mathematical modeling and economics and what makes financial models so dangerous. Though such models imitate the style of physics and employ the language of mathematics, theories in physics aim for a description of reality--but in finance, models can shoot only for a very limited approximation of reality. Derman uses his firsthand experience in financial theory and practice to explain the complicated tangles that have paralyzed the economy. Models.Behaving.Badly. exposes Wall Street's love affair with models, and shows us why nobody will ever be able to write a model that can encapsulate human behavior.

Book information

ISBN: 9781439164990
Publisher: Free Press
Imprint: Free Press
Pub date:
DEWEY: 003
Language: English
Number of pages: 240
Weight: 227g
Height: 215mm
Width: 141mm
Spine width: 19mm