MACROECONOMICS IN MODULES
MACROECONOMICS IN MODULES
5th Edition
ISBN: 9781319245368
Author: KRUGMAN
Publisher: MAC HIGHER
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Chapter 5, Problem 15P
To determine

Concept Introduction:

Opportunity Cost: It is the next best option available to a person. Opportunity cost refers to the benefits which are given up in the process of obtaining some other benefits.

Comparative Advantage: In a trade a country has comparative advantages in producing goods when the opportunity cost of producing that good is less in comparative to the nation with which it is trading.

Absolute Advantage: It is the capacity of a nation, firm or individual to produce output at very low cost per unit in comparison to other entity that produces same output.

Why the United States has been made better off due opening trade.

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A statistics teacher wants to see if there is any difference in the performance of students on the final exam if she gives them orange jelly beans before the exam. She has a theory that orange jelly beans will change the results, but she isn't sure in which direction. She knows that the population mean score on the exam when students do not have orange jelly beans is 85 and that exam scores have an approximately symmetric distribution. She gives orange jelly beans to 25 randomly selected students and finds that these students had a sample mean score of 88 with a sample standard deviation of 5. She wants to have 99% confidence in her result.
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