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Economic perspectives
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1. scarcity forces choices
2.People are generally ration but sometimes irrational
3. Margins and cost/benefits
- Only the next unit matters
2.People are generally ration but sometimes irrational
3. Margins and cost/benefits
- Only the next unit matters
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Opportunity costs
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to get one thing, you lose the opportunity to get something else.
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solve for marginal benefit
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marginal cost of big item - marginal cost of small item = marginal cost of big item. Marginal benefit is its size, color, flavor, value etc.
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Analytical economics
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finding out the result of cause and effects within the economic system.
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Other things equal assumption (ceteris paribus)
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economists assume that all other variables except the ones they are studying are constant
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Abstractions
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models used by economists without all the complicated bs of real life.
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Policy Economics
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recognizes that theories and data can be turned into policies
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policy making (steps)
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1. State the goal
2. Determine policy options
3. Implement and see how well the policy worked
2. Determine policy options
3. Implement and see how well the policy worked
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economic goals
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Economic growth
Full employment (for those who want to work)
Economic efficiency (get things to those who want them without draining the resources
Price level stability - avoid inflation & deflation
Economic freedom
Equitable distribution of income
Economic security
Balance of trade (w the rest of the world)
Full employment (for those who want to work)
Economic efficiency (get things to those who want them without draining the resources
Price level stability - avoid inflation & deflation
Economic freedom
Equitable distribution of income
Economic security
Balance of trade (w the rest of the world)
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Microeconomics
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Looks at specifics - details of econ unit, small segment of economy - household, specific product
Some stuff is micro and macro ex. Unemployment
Some stuff is micro and macro ex. Unemployment
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Positive
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focuses on facts and cause-and-effect relationships
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Normative
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value judgements, subjective stuffs (ought or should)
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Loaded terminology
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biased, stereotypical diction that should be avoided
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Fallacy of composition
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thinking that what is true for one person/group is true for another person/group
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Post Hoc Fallacy
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Fallacy that since one thing happened before another thing, the first thing caused the second.
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Correlation v. Causation
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A correlation in data does not mean that there is a causation (that one thing caused the other)
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progressive income taxes
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What is NOT a source of inequality in the distribution of personal income?
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the labor force
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An outward shift in the production possibilities curve of an economy can be caused by an increase in...
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the private market will maek too much of the good
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What is true when the production of a good results in negative externalities?
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A rightward shift of the curve
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Economic growth can be depicted using a production possibilities curve by what?
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limited resources and unlimited wants
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What is the basic economic problem of all countries?
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leisure
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An individual's labor supply curve is derived from that person's preferences about the tradeoff between income and ______
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the benefit/satisfaction of consuming the last additional unit of something
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marginal benefit
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trades with other countries, thus taking advantage of different opportunity costs
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A country can consume beyond its present production possibilities curve when it
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Good Y - Good X (of production, on the production possibilities curve)
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Opportunity cost of switching to Good Y from Good X is
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less than the efficient level of output, due to the free-rider problem
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Private supply of public goods will most likely result in:
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Diminishing marginal utility (law)
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What law explains that as a person consumes more and more of a good or service, each additional unit will become less valuable to them and they won't want to pay as much for each unit?
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oil leakages from drilling (platforms in the gulf of Mexico)
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What is a good example of a negative externality?
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constant opportunity cost
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A straight-line ppc is different from a concave ppc because a straight ppc has a ...
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concave (to the origin)
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The law of increasing opportunity cost is reflected in the shape of the production possibilities curve being
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decrease in worker productivity
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what would cause a leftward shift of the production possibilties curve?
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increase in capital equipment
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What would cause a rightward shift in the production possibilities curve?
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opportunity costs are least
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According to the theory of comparative advantage, a good should be produced where its
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the law of comparative advantage
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"if you want to have anything correctly, you have to do it yourself" this quote violates what law?
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scarce economic resources
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Land, labor, capital, and entrepreneurial talent are often referred to as. . .
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progressive
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A ____ tax is one that taxes income at an average rate that increases with the level of income
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marginal benefit of the next cookie
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A rational consumer eating GS cookies will stop eating when the price of the next cookie is greater than the. . .
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comparative advantage
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"If you want to have anything done correctly, you have to do it yourself." This quote violates the principle of:
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matching marginal benefits with marginal costs (in test taking)
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Most of my grades are B minuses, but in fluid dynamics I have an A. Studying only for fluid dynamics violates the law of:
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Comparative advantage
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Trading based on opportunity costs
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capitalist market economy
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In what economy is freedom of enterprise critical and does the price system allocate resources in the most efficient way.
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marginal social benefit exceeds the marginal social cost
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When the production or consumption of a good creates a positive externality, it is deemed a market failure at the market quantity
Hint: a benefit people don't pay for should not exceed someone else's cost.
Hint: a benefit people don't pay for should not exceed someone else's cost.
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consumer surplus is lost with the higher prices and lower levels of output
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Governments discourage and regulate monopolies because
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air pollution from a ppt that is blowing downwind and harming the trees in your community. Tax the production of electricity
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Which of the following is the best example of a negative externality and the appropriate plan for eliminating it?
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private property
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What is a fundamental aspect of the free market system?
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buyer responsiveness to price changes.
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The price elasticity of demand coefficient measures:
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travelers demand becomes less elastic as the departure date approaches
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The price of an airline ticket is typically lower if a traveler buys the ticket several weeks before the flight's
departure date rather than on the day of the departure. This pricing strategy is based on the assumption that
departure date rather than on the day of the departure. This pricing strategy is based on the assumption that
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The elasticity coefficient is less than one.
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A commodity that is inelastic has. . .
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smaller the resulting price change if there's an increase in supply.
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The larger the coefficient of price elasticity of demand for a product, the:
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W and Y.
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Suppose the price elasticity coefficients of demand are 1.43, 0.67, 1.11, and 0.29 for products W, X, Y, and Z respectively. A 1 percent decrease in price will increase total revenue in the case(s) of:
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unit elastic
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Promoters of a rock group know that if they charged $8 a ticket, 400 people would buy tickets for a concert, and if they charged $4 a ticket, 800 people would buy tickets. Over this price range, the demand for the concert tickets for the rock group is
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relatively inelastic
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An increase in the effective minimum wage will have less of an impact on employment if the demand for labor is
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inelastic
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To alleviate a financial crisis, a university increases student fees. This action will increase university
revenues if the price elasticity of demand for university education is
revenues if the price elasticity of demand for university education is
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X and Y are complementary goods
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If the demand for good Y increases as the price of good X decreases, it can be concluded
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the demand for Coca-Cola to be more elastic than the demand for soft drinks in general.
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We would expect:
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amount of time the producer has to adjust inputs in response to a price change.
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The main determinant of elasticity of supply is the:
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demand is elastic.
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If the price of hand calculators falls from $10 to $9 and, as a result, the quantity demanded increases from 100 to 125, then
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they're substitute goods.
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If cross-price elasticity between goods X and Y is positive, then
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increase street crime because the addict's demand for heroin is highly inelastic.
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An antidrug policy which reduces the supply of heroin might:
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an increase in the minimum wage would increase the total incomes of teenage workers as a group.
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The elasticity for teenage workers is relatively inelastic. This means that:
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a 10 percent increase in income will increase the purchase of toys by 20 percent.
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Suppose the income elasticity of demand for toys is +2.00. This means that:
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lard is an inferior good.
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If the income elasticity of demand for lard is -3.00, this means that:
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The consumer's demand for compact disks is unit price elastic.
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Assume a consumer finds that his total expenditure on compact disks stays the same after the price of
compact disks declines, other things being equal. Which of the following is true for this price change?
compact disks declines, other things being equal. Which of the following is true for this price change?
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relatively elastic
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If a 5 percent wage increase in a particular labor market results in a 10 percent decrease in employment, the
demand for labor is
demand for labor is
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consumers will bear most of the burden of the tax
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If the market demand for a good is inelastic and the supply is elastic, which of the following is true when there is an increase in sales tax?
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The demand for peanuts must be price inelastic.
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If a severe drought destroys a significant portion of the peanut crop and peanut farmers' revenues increase,
which of the following is true over the observed range of prices?
which of the following is true over the observed range of prices?
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when the price of a product falls, a consumer will be able to buy more of it with a specific
income.
income.
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The income effect indicates that:
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the substitution effect.
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If the price of a product falls, that product becomes cheaper and people will want to purchase more of it in
place of other goods. This statement best describes:
place of other goods. This statement best describes:
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diminishing marginal utility
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In a given time period, a person consumes more and more of a good or service and, as a result, enjoys each
additional unit less and is willing to pay less for each additional unit. This behavior is consistent with the
law of
additional unit less and is willing to pay less for each additional unit. This behavior is consistent with the
law of
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D) buy the same amounts of goods X and Y
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Assume that Clark spends his entire income on the purchase of two goods, X and Y. If his income and the
prices of good X and Y all double, Clark will
prices of good X and Y all double, Clark will
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15
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Refer to the above data. The value for X is:
Units Total Marginal
consumed utility utility
0 0 N/a
1 W 20
2 35 X
3 Y 10
4 40 Z
Units Total Marginal
consumed utility utility
0 0 N/a
1 W 20
2 35 X
3 Y 10
4 40 Z
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-5
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Refer to the above data. The value for Z is:
Units Total Marginal
consumed utility utility
0 0 N/a
1 W 20
2 35 X
3 Y 10
4 40 Z
Units Total Marginal
consumed utility utility
0 0 N/a
1 W 20
2 35 X
3 Y 10
4 40 Z
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satisfaction that a consumer derives from a good or service.
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Utility refers to the:
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more of X and less of Y.
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Suppose that MUx/Px exceeds MUy/Py
To maximize utility the consumer who is spending all her money, she should buy:
To maximize utility the consumer who is spending all her money, she should buy:
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She should increase her apple consumption and decrease her orange consumption until the marginal
utility per dollar is equal for both.
utility per dollar is equal for both.
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Every day Molly spends her lunch money consuming apples, at $1 each, and oranges, at $2 each. At her current level of consumption, Molly's marginal utility of apples is 12 and her marginal utility of oranges is 18. If she has already spent all of her lunch money, how should Molly change her consumption decision to maximize utility?
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more of B and less of A.
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Ben is exhausting his money income consuming products A and B in such quantities that MUa
/Pa = 5 and MUb/Pb = 8. Ben should purchase:
/Pa = 5 and MUb/Pb = 8. Ben should purchase:
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Muc/Pc > MUd/Pd
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Assume MUc and MUd represent the marginal utility that a consumer gets from products C and D, the respective prices of which are Pc and P d. The consumer will increase his total utility from a specific money outlay by spending more on C and less on D if initially:
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They all help explain the downsloping demand curve.
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What do the income effect, the substitution effect, and diminishing marginal utility have in common?
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marginal utility of a bottle of water is less than the marginal utility of a diamond ring
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At her current level of consumption, a consumer is willing to pay up to $1.50 for a bottle of water and up to $1,500 for a diamond ring because the
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The additional satisfaction received from consuming extra units of good decreases as consumption of
the good increases.
the good increases.
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According to the law of diminishing marginal utility, which of the following is true?
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a decrease in the quantity of gasoline demanded.
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Gasoline prices increase by 50 percent and other things remain the same. As a result, there is
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is a list of the quantities demanded at each different price when all other influences on buying plans
remain the same.
remain the same.
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A demand schedule
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if the price of a good increases, the quantity supplied increases.
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The law of supply states that, other things remaining the same,
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an increase in the price of a compact disc
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Which of the following increases the quantity supplied of compact discs but does NOT increase the supply of compact discs?
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an increase in the supply of home heating oil.
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Oil refiners can refine a barrel of petroleum so that it yields either more home heating oil or more diesel fuel. If the price of diesel fuel falls, there is
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More buyers might have moved into the area.
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Suppose that the equilibrium price and quantity of new houses both increase. Which of the following could be a cause of this change?
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consumers' incomes increase
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The equilibrium price of a normal good could rise if
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increasing the demand for pretzels and therefore the price of pretzels
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Assume that consumers consider popcorn and pretzels to be substitutes. A significant decrease in the supply of popcorn will affect the pretzel market by
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decrease because hamburgers and onions are complements
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Assume that people like onions on their hamburgers. If the supply of hamburgers decreases, the demand for onions will most likely
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there will be a shortage in the market
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Which of the following will occur if the government imposes a price ceiling below the equilibrium price of a good?
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an increase in the price of potatoes, if potatoes and beef are complementary goods
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Which of the following will decrease the demand for beef?
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The price of an essential input in the production of good X increases
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Which of the following would cause the equilibrium price of good X to increase?
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a decrease in the price of beef
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Leather and beef are jointly produced such that an increase in the production of one results in an
equal increase in the production of the other. An increase in the demand for leather will most likely
cause
equal increase in the production of the other. An increase in the demand for leather will most likely
cause
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teenage employment will increase because firms will want to hire more teenagers at
W2 than W1
W2 than W1
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The graph below illustrates the labor marker for teenage workers. The current minimum wage for
all workers is W1. If Congress introduced a sub-minimum wage, W2 that applies only to teenagers,
what is the most likely effect on teenage employment?
all workers is W1. If Congress introduced a sub-minimum wage, W2 that applies only to teenagers,
what is the most likely effect on teenage employment?
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Price rises, but the change in quantity is ambiguous.
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Suppose the market for roses is currently in equilibrium. If the supply of roses falls, while at the same time the demand for roses rises, what can you say about the price and quantity of roses in the market?
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total benefit - cost
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What is the definition of total consumer surplus?
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more elastic (curve gets flatter)
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As e increases, demand gets
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substitutes
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What is one thing that makes things more elastic?
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percent change in Q/percent change in P
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e =
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e = [(Q2-Q1)/(Q2+Q1)/2] / [(P2-P1)/(P2+P1)/2]
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e midpoint formula
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inelastic
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If price and total revenue either both increase or both decrease, the good is
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unit elastic
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if price and total revenue are different (i.e. one is increasing & the other is decreasing), than it is
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complements
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If cross price elasticity (change in Qx/change in Py) is less than zero,