Exam 2: B: Some Tools of the Economist
The size of a country's "economic pie" is thought of as the total dollar value of all goods and services produced during some period of time. The economic pie
C
An airline ticket from Baltimore to Miami costs $525. A bus ticket is $325. Traveling by plane will take 5 hours, compared with 25 hours by bus. Thus, the plane costs $200 more but saves 20 hours of time (Hint: Note how we are "thinking at the margin" here by looking at the changes). Other things constant, an individual will gain by choosing air travel if, and only if, each hour of her time is valued at more than
A
It can be said that, ultimately, consumers are the driving force in answering the three basic economic questions. Explain the consumer's role in providing these answers.
What will be produced is determined by businesses, but they know that the only way to succeed is to offer products consumers find desirable. What they produce is determined by what consumers want. How the goods will be produced is determined by firms that continually seek lower costs of production. Since consumers are price conscious, they will buy the product that carries the lowest price, ceteris paribus. Firms that lower production costs can lower prices and attract more consumers. The goods are consumed by people who desire them and have the ability to pay. Since income is derived from production, those who produce more of what consumers value will have higher incomes. The consumer is at the heart of all three basic economic questions.
A popular video program used to teach economics to primary school children defines opportunity cost as "what you give up to get something." In light of your understanding of opportunity cost, how would you modify this definition?
(I) When individuals engage in a voluntary exchange, both parties are made better off. (II) By channeling goods and resources to those who value them most, trade creates value and increases the wealth created by a society's resources.
A department store buys a wool coat for $120 and sets its retail price at $300. The coat costs $85 to produce. When the coat doesn't sell, the store marks the price down to $200, then $100, and finally $70. At $70, Amy buys the coat. What was the coat's true value? Why?
An economics professor points to a student in the front row and announces that "sitting in class is the thing you value most during this time period." Is the professor correct? Why or why not?
Kelly is an architect and she is trying to decide whether to hire Mike, a draftsman, to assist with her work. Kelly could hire Mike at $20 per hour but it would take him three times as long to complete a task as it takes Kelly. Kelly is able to earn $90 per hour and has more architectural jobs than she is able to handle. Which of the following is true?
Which of the following attributes of trade explain why it is important for economic prosperity?
Table 2-4
-Refer to Table 2-4. Which of the following is correct?

Figure 2-11
-In Figure 2-11, which shows the production possibilities curve,

If a motorist is stranded in front of a pay phone and has only dollar bills, and he ends up buying a quarter from a passerby for $1,
Jim values his car at $2,000, and Kelly values it at $5,000. Can value be created in this situation? How? Suppose Jim refuses to sell for less than $6,000. Is value destroyed? Why or why not?
Mark and John are 10-year-old twins who do not get along. They have opened separate lemonade stands and are competing with each other, selling lemonade on their block. Their mother observes that Mark is very good at making lemonade and John is an excellent young salesman. She suggests they both could make more money if they worked together. John counters that two stands will always make more money than one. Who is right? Why?
When private ownership rights are well-defined and enforced, owners
"The economic wealth of this country was built primarily by some individuals profiting from a transaction, whereas others were harmed by that transaction." This statement indicates the speaker
The production possibilities curve illustrates the basic principle that
Table 2-4
-Refer to Table 2-4. Which of the following is correct?

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