Economics, Student Value Edition Plus MyLab Economics with Pearson eText - Access Card Package (6th Edition)
Economics, Student Value Edition Plus MyLab Economics with Pearson eText - Access Card Package (6th Edition)
6th Edition
ISBN: 9780134421322
Author: R. Glenn Hubbard, Anthony Patrick O'Brien
Publisher: PEARSON
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Chapter 1, Problem 1.1.10PA
To determine

Decision regarding drop psychology course.

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(a) Briefly discuss the Galbraith hypothesis in microeconomics.
In an article on how exercise improves health, the New York Times reported on an observational study that found that each hour spent running added two hours to a person's life expectancy [Brody. 20061 A week later, a letter to the editor questioned whether the results really proved anything about the impact of exercise on health, and suggested that the study could just as well be showing that "those with a strong heart and good health are otherwise more likely to enjoy running and do it more regularly." How does this challenge to the exercise study relate to the problems faced by economists trying to &slims the causal effects of economic policy? How could you design an experimental study to estimate the impact of running on life expectancy?  
In an article about the financial problems of USA Today, Newsweek reported that the paper was losing about $20 million a year. A Wall Street analyst said that the paper should raise its price from 50 cents to 75 cents, which he estimated would bring in an additional $65 million a year. The paper’s publisher rejected the idea, saying that circulation could drop sharply after a price increase, citing The Wall Street Journal’s experience after it increased its price to 75 cents. 1- What implicit assumptions are the publisher and the analyst making about price elasticity?
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