IB Economics Unit 1.1: What is Economics? Scarcity Choice and the PPC

1#

Assume a hypothetical complex and op,(1gcko*er ye en economy.
From the following list, identify the leakages from the economy's circular flow of income:

I. Taxes
II. Export revenue
III. Saving

A. I only

B. I and III only

C. I, II, and III

D. II and III only

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2#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of the following is not one of )bol7d:q3lb jcx e )u.the basic economic questions?

A. Why to produce?

B. How to produce?

C. What to produce?

D. For whom to produce?

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3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of the following statements is not true about the circular 5 )bh5-j dg z;5gecpue7g*eyvflow of income modely7 )d*g;-j5e gugbpc5hv5e ze?

A. It illustrates interdependence between various economic agents interacting within an economic system

B. It shows the inputs, outputs, income, and expenditure flowing within an economy, along with multiple leakages and injections

C. If injections are smaller than leakages then national income will tend to decrease

D. If injections increase, then leakages will tend to decrease

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4#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Identify which of the follmvw v-(ox4kxu;og xxm* 0c kdv;, yj,8owing is not a feature of a mixed economy.

A. private ownership of the factors of production

B. resource allocation is influenced by the desire for profit

C. forces of demand and supply allocate resources

D. government officials decide how to distribute output

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5#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of the followingt,z(nx(e9(dj yfs8 j+fvnj4 tnmx :4a correctly states an example of land and an example of capital? (j(n,xy 4jm +zjv4(9ttsxan edf: 8nf

	Land	Capital
A.	Natural gas	A manager
B.	Pesticides	A factory
C.	Wild fish	An oven
D.	A tractor	An MRI machine

A. B. C. D.

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6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of the following is nq/ omd5em-m.q p3ddp *ot a free good?

A. Sunshine

B. Rain

C. Fresh air

D. Free school lunches

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7#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What allocates resources in a fully plnfb/h9uhpgq/mp 1*1 g anned economy?

A. The choices of consumers

B. The functions of the price mechanism

C. The problem of scarcity

D. The decisions of government officials

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8#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of the following would cause the shift from $PPC_1$ to $PPC_2$ in the diagram above?

A. A fall in unemployment

B. A natural disaster

C. A rise in labour productivity

D. Migration from the country

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9#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of the following statements is trrxq 9mrex-38f)8j xb)4 ocwspue?

A. Households only receive wages, rent, and interest as flows of income.

B. The payment to capital is profit.

C. In an open economy, all income is spent on domestically produced goods and services.

D. Government spending can be greater than tax revenue.

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10#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Whci of the following statements correcnei 5r )-1*hbfmdmez9tly describe the circular flow of income modelmrmfh1 i-9 5ed nb)e*z?
I. Import spending is a leakage; export revenue is an injection
II. Investment spending is an injection; saving is a leakage
III. Wages are the income of labour as a factor of production
IV. Interest is the income of entrepreneurship as a factor of production

A. I only

B. I and II only

C. I, II, and III only

D. I, II and IV only

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11#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Identify the key concept associati9 nvsg68zr ):8ya syped with each statement:

I. Human wants are unlimited and exceed what can actually be produced to fulfil these wants
II. Resources should be used in the best possible way for society, ensuring minimum waste
III.Resources should be used in a way that does not limit future generations from also benefiting from the resources

	Statement I	Statement II	Statement III
A.	Sustainability	Equity	Interdependence
B.	Scarcity	Efficiency	Sustainability
C.	Efficiency	Scarcity	Economic well-being
D.	Scarcity	Equity	Efficiency

A. B. C. D.

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12#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

An economy is initially producing the combination of consumer goods and producer goods shown by point X. If there is no change in the quantity or quality of the factors of production, which new point represents a change toward producing more consumer goods?

A. B. C. D.

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13#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Referring to the PPCs above, identify the factors that would cause the changes illustrated in Figure 1 and Figure 2.

	Figure 1	Figure 2
A.	an increase in the quantity of resources	an increase in the quality of resources
B.	an increase in the quality of resources	an increase in the quantity of resources
C.	an increase in the quality of resources	a reduction in unemployment
D.	a reduction in unemploymen	an increase in the quantity of resources

A. B. C. D.

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