Bayesian Non- and Semi-parametric Methods and Applications

Princeton University Press
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This book reviews and develops Bayesian non-parametric and semi-parametric methods for applications in microeconometrics and quantitative marketing. Most econometric models used in microeconomics and marketing applications involve arbitrary distributional assumptions. As more data becomes available, a natural desire to provide methods that relax these assumptions arises. Peter Rossi advocates a Bayesian approach in which specific distributional assumptions are replaced with more flexible distributions based on mixtures of normals. The Bayesian approach can use either a large but fixed number of normal components in the mixture or an infinite number bounded only by the sample size. By using flexible distributional approximations instead of fixed parametric models, the Bayesian approach can reap the advantages of an efficient method that models all of the structure in the data while retaining desirable smoothing properties. Non-Bayesian non-parametric methods often require additional ad hoc rules to avoid "overfitting," in which resulting density approximates are nonsmooth. With proper priors, the Bayesian approach largely avoids overfitting, while retaining flexibility. This book provides methods for assessing informative priors that require only simple data normalizations. The book also applies the mixture of the normals approximation method to a number of important models in microeconometrics and marketing, including the non-parametric and semi-parametric regression models, instrumental variables problems, and models of heterogeneity. In addition, the author has written a free online software package in R, "bayesm," which implements all of the non-parametric models discussed in the book.
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About the author

Peter E. Rossi is the James Collins Professor of Marketing, Economics, and Statistics at UCLA's Anderson School of Management. He has published widely in marketing, economics, statistics, and econometrics and is a coauthor of Bayesian Statistics and Marketing.
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Additional Information

Publisher
Princeton University Press
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Published on
Apr 27, 2014
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Pages
224
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ISBN
9781400850303
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Language
English
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Genres
Business & Economics / Economics / Microeconomics
Business & Economics / Economics / Theory
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Content Protection
This content is DRM protected.
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Available on Android devices
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Eligible for Family Library

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“Ideas of economic democracy are very much in the air, as they should be, with increasing urgency in the midst of today’s serious crises. Richard Wolff’s constructive and innovative ideas suggest new and promising foundations for much more authentic democracy and sustainable and equitable development, ideas that can be implemented directly and carried forward. A very valuable contribution in troubled times.”—Noam Chomsky

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Capitalism as a system has spawned deepening economic crisis alongside its bought-and-paid-for political establishment. Neither serves the needs of our society. Whether it is secure, well-paid, and meaningful jobs or a sustainable relationship with the natural environment that we depend on, our society is not delivering the results people need and deserve.

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Richard D. Wolff is professor of Economics emeritus at the University of Massachusetts, Amherst. He is currently a visiting professor at the New School University in New York. Wolff is the author of many books, including Capitalism Hits the Fan: The Global Economic Meltdown and What to Do About It. He hosts the weekly hour-long radio program Economic Update on WBAI (Pacifica Radio) and writes regularly for The Guardian, Truthout.org, and the MRZine.


A bold new remedy for the sprawling and wasteful health care industry.

Where else but the doctor’s office do you have to fill out a form on a clipboard? Have you noticed that hospital bills are almost unintelligible, except for the absurdly high dollar amount? Why is it that technology in other industries drives prices down, but in health care it’s the reverse? And why, in health care, is the customer so often treated as a mere bystander—and an ignorant one at that?

The same American medical establishment that saves lives and performs wondrous miracles is also a $2.7 trillion industry in deep dysfunction. And now, with the Affordable Care Act (Obamacare), it is called on to extend full benefits to tens of millions of newly insured. You might think that this would leave us with a bleak choice— either to devote more of our national budget to health care or to make do with less of it. But there’s another path.

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From the Hardcover edition.
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