Could some one help me for those questions? Thanks

Question 1 (1 point) J Saved What does macroeconomics study? O how rms maximize prot @ economy-wide phenomena 0 individual decision makers 0 economic history Question 2 (1 point) What is a circular-ow diagram? 0 a model that shows the effects of government and the central bank on the economy 0 a visual model of how the economy is organized O a mathematical model of how the economy works O a visual model of the relationship between money, prices, and businesses Question 3 (1 point) What have economists often observed while studying the effects of public policy changes? O [f the policy is well designed, it will always be effective. 0 Stock prices are indirectly related to capital investment. 0 Unemployment and ination are directly related in the short run. 0 There is a difference between the long run and the short run. Question 4 (1 point) Why do economists make assumptions? 0 to make the world easier to understand 0 to diminish the chance of wrong answers 0 because all scientists make assumptions 0 to make certain that all necessary variables are included Question 5 (1 point) What markets are depicted in the simple circular-ow diagram? 0 the market for the factors of production and the nancial market O the market for goods and services and the nancial market 0 the market for goods and services, the nancial market, and the market for the factors of production 0 the market for goods and services and the market for factors of production Question 6 (1 point) The average cost per seat on a train trip from Edmonton to Jasper is $140. Suppose no refreshments are served and three seats are empty. How could the train company increase its prot? 0 if it charged any ticket price above $0 for the remaining seats 0 if it charged no less than $140 for the three remaining seats 0 if it charged more than $140 for the three remaining seats S 2 if it left the seats emp Question 7 (1 point) In a market economy, decisions are guided by individual self-interest. What impact does this have? Q There is still the ability to achieve desirable economic well-being for society as a whole. 0 There is less efficiency in market economies than in command economies. Q There is a strong need for government intervention in the market. 0 There is more need for a strong legal system to control individual greed. Question 8 (1 point) What is an externality? O the impact of one person's actions on the well-being of a bystander O the impact of society's decisions on the well-being of another society 0 the impact of society's decisions on the well-being of one person in the society 0 the impact of a person's actions on that person's well-being Question 9 (1 point) What happens when society requires that rms reduce pollution? Q There is a tradeoff because of reduced incomes to the rms' owners, workers, and customers. 0 There is no tradeoff, since everyone benets from reduced pollution. There is no tradeoff for society as a whole because the cost of reducing pollution falls only on the firms affected by the requirements. 0 There is a tradeoff only if some rms are forced to close. Question 10 (1 point) Which statement best describes the relationship between inflation and unemployment? O In the long run, reducing inflation is associated with falling unemployment. In the short run, reducing inflation is associated with rising unemployment. OO In the short run, reducing inflation is associated with falling unemployment. In the long run, reducing inflation is associated with rising unemployment. Question 11 (1 point) What is likely to occur when the government implements programs such as progressive income tax rates? Equity and efficiency is increased. Equity is decreased, and efficiency is increased. O Equity is increased and efficiency is decreased. Equity is decreased, and efficiency is decreased. Question 12 (1 point) How can the production possibilities frontiers shift outward? C if opportunity costs are reduced O if there is an increase in technology O if government increases the amount of money in the economy O if resources can be moved from the production of one good to anotherQuestion 13 (1 point) What is the business cycle? 0 the positive relationship between the quantity of money in an economy and ination O the relationship between unemployment and ination O the irregular uctuations in economic activity 0 the negative relationship between imports and net exports Question 14 (1 point) Mallory decides to spend three hours working overtime rather than watching Netix with her friends. She earns $9 an hour. What is her opportunity cost of working? 0 the $27 she earns working 0 the $27 minus the enjoyment she would have received from watching Netix O the enjoyment she would have received had she watched Netflix 0 nothing, because she would have received less than $27 of enjoyment from Netix Question 15 (1 point) How good are markets at organizing economic activity? 0 Markets are usually a good way to organize economic activity. 0 Markets are a good way to organize economic activity in developed nations, but not in less developed nations. 0 Markets fail and are therefore not a good way to organize economic activity. 0 Markets are usually inferior to central planning as a way to organize economic activity. Question 16 (1 point) How does a market economy reward people? 0 according to their ability to produce things that other people are willing to pay for 0 according to their willingness to work 0 according to their need for goods and services 0 according to their ability to produce things of cultural importance Question 17 (1 point) What happens in the markets for factors of production? O Households provide rms with savings for investment. 0 The government provides rms with inputs for the production process. 0 Firms provide households with goods and services. 0 Households provide rms with labour, land, and capital. Question 18 (1 point) What would unemployment cause an economy to do? 0 produce on its production possibilities frontier 0 shift its production possibilities frontier inwards O produce inside its production possibilities frontier O produce outside its production possibilities frontier Question 19 (1 point) Monica has spent $120,000 purchasing and repairing an old cabin, which she expects to sell for $130,000. She discovers that she needs an additional repair, which will cost $20,000. She can sell the cabin as it is now for $115,000. What should she do? 0 It doesn't matter which action she takes; the outcome is the same either way. 0 She should never sell something for less than its cost. 0 She should complete the repairs and sell the cabin. 0 She should take the $115,000. Question 20 (1 point) Which statement best describes the way economists study the economy? 0 Economists devise theories, collect data, and then analyze the data to test the theories. 0 Economists study the past, but do not try to predict the future. O Economists use controlled experiments much the same way a biologist or physicist does. 0 Economists use a probabilistic approach based on correlations between economic events. Question 21 (1 point) What is a characteristic of a good theory? 0 It is a widely accepted theory. 0 It is a theory that helps us understand how the world works. 0 It is a theory based on original predictions. 0 It is a theory that starts from realistic assumptions. Question 22 (1 point) What has been one effect of a government-imposed seat belt law? O fewer pedestrian deaths everyone now wears seat belts O an increase in the number of accidents O safer driving Question 23 (1 point) Which concept best defines efficiency? consumer satisfaction absolute fairness O minimum waste equal distribution Question 24 (1 point) What is meant by scientific method? the use of controlled experiments in understanding the way the world works O finding evidence to support preconceived theories about how the world works O the dispassionate development and testing of theories about how the world works O the use of modern electronic testing equipment to understand the worldQuestion 25 (1 point) In economics, what is the cost of something? O the value of the resources needed to produce it Q the amount of labour to produce it Q the dollar amount of obtaining it Q what you give up to obtain it Question 26 (1 point) What will happen if a copper renery does NOT bear the entire cost of the smoke it emits? O [twill emit lower levels of smoke. Q It will emit an acceptable level of smoke. O It will not emit any smoke so as to avoid the entire cost of the smoke. O It will emit too much smoke. Question 27 (1 point) How do people make decisions at the margin? O by experience O by comparing costs and benets 0 by calculating dollar costs O by following the business cycle Question 28 (1 point) Why do taxes adversely affect the allocation of resources in society? because they distort prices and thus the decisions of households and firms C because the taxes collected are not enough to finance government spending because they do not always fall more heavily on the rich because not everyone pays taxes Question 29 (1 point) What is market power? O the power of the government to regulate a market the ability of a person or group of people to successfully market new products the relative importance of a market to the overall economy O the power of a single person or group to influence market prices Question 30 (1 point) After much consideration, you have chosen Cancun over Fort Lauderdale for your spring break trip this year. For this decision to change, what must occur? O The marginal benefit of Fort Lauderdale must increase. C The marginal benefit of Cancun must increase. The marginal cost of Fort Lauderdale must increase. The marginal cost of Cancun must decrease