macro(UNI) Flashcards

(55 cards)

1
Q

What is the main measure used to assess changes in living standards?

A

Real GDP per person (GDP per capita)

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2
Q

What are the two components of GDP per capita?

A

Average labor productivity and the share of the population employed

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3
Q

Why do small differences in growth rates matter in the long run?

A

Because of compound growth—small annual differences can lead to large income gaps over time

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4
Q

How is compound interest related to economic growth?

A

Like compound interest, economic growth builds upon itself and accelerates over time

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5
Q

What are the six determinants of average labor productivity?

A
  1. Human capital, 2. Physical capital, 3. Natural resources, 4. Technology, 5. Entrepreneurship & management, 6. Political & legal environment
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6
Q

What is human capital?

A

The education, skills, and training that workers possess

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7
Q

What is diminishing marginal returns to capital?

A

As more capital is added, holding other inputs constant, each additional unit adds less to output

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8
Q

What does the Solow Growth Model explain?

A

How capital accumulation, labor, and technology affect economic growth

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9
Q

What is the steady state in the Solow model?

A

A situation where capital per worker and output per worker are constant over time

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10
Q

What happens when the savings rate increases in the Solow model?

A

Investment increases, leading to a higher steady-state level of capital and output per worker

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11
Q

What is the long-run source of sustained growth in the Solow model?

A

Technological progress

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12
Q

What does the production function Y = F(K, N) represent?

A

The relationship between output, capital, and labor

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13
Q

What are the potential costs of economic growth?

A

Reduced current consumption, environmental damage, less leisure, and increased education/R&D costs

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14
Q

How can governments promote human capital formation?

A

Through education funding, training programs, and support for early childhood education

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15
Q

How does democracy support economic growth?

A

By promoting stability, human capital, low inflation, and efficient institutions

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16
Q

What limits might there be to economic growth?

A

Finite natural resources, environmental degradation, and externalities

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17
Q

What are the main trends observed in industrialized labor markets?

A

1) Real wage growth, 2) Wage stagnation post-1973, 3) Rising wage inequality, 4) Employment growth, 5) Higher European unemployment

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18
Q

What factors drive labor demand?

A

Worker productivity and output prices. Firms hire until the value of the marginal product (VMP) equals the wage.

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19
Q

Why is the labor demand curve downward sloping?

A

Because of diminishing marginal returns: as more workers are hired, each additional worker adds less output, so firms are willing to pay less.

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20
Q

What causes the labor demand curve to shift right?

A

Increases in output prices and worker productivity (due to capital, technology, or training).

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21
Q

What determines an individual’s reservation wage?

A

The minimum wage a worker is willing to accept, which compensates for the opportunity cost of leisure and job unpleasantness.

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22
Q

What factors affect aggregate labor supply?

A

Population size, labor force participation rate, education and training, and the market wage rate.

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23
Q

Why is the labor supply curve upward sloping?

A

Higher wages incentivize more individuals to work or existing workers to work more hours.

24
Q

What are the main causes of rising wage inequality?

A

Globalization, skill-biased technological change, education gaps, policy changes, and discrimination.

25
How does globalization contribute to wage inequality?
It shifts jobs away from low-skilled workers in rich countries due to import competition and offshoring, reducing their wages.
26
How does skill-biased technological change affect labor markets?
It increases demand for skilled workers and decreases demand for unskilled workers, widening wage gaps.
27
What are the three types of unemployment?
Frictional (between jobs), Cyclical (due to downturns), Structural (skill mismatch or long-term dislocation).
28
What is the effect of a minimum wage set above the market rate?
It creates unemployment by increasing labor supply and reducing labor demand.
29
What is a common criticism of unemployment insurance?
It may reduce job search incentives if too generous or prolonged.
30
Why does inequality matter economically?
Excessive inequality reduces growth, mobility, trust in institutions, and investment in public goods.
31
What are some immediate policy tools to reduce inequality?
Progressive taxes, transfers, minimum wages, labor protections, anti-monopoly laws.
32
What are long-term strategies to address inequality?
Education access, early childhood investment, anti-discrimination policies, and wealth-building programs.
33
Why is unemployment higher in Europe compared to the U.S.?
Due to labor market rigidities like high minimum wages, strong unions, generous benefits, and regulatory barriers.
34
What is the definition of saving?
Saving is current income minus spending on current needs.
35
What is the saving rate?
Saving rate = Saving / Income
36
What is wealth?
Wealth = Assets - Liabilities
37
What is a balance sheet?
A balance sheet lists an economic unit’s assets and liabilities at a specific time.
38
What is a flow value?
A flow value is defined per unit of time (e.g., income, saving).
39
What is a stock value?
A stock value is defined at a specific point in time (e.g., wealth, debt).
40
How do you calculate change in wealth?
Change in Wealth = Saving + Capital Gains - Capital Losses
41
What is private saving?
Private Saving = Y - T - C
42
What is public saving?
Public Saving = T - G
43
What is national saving?
National Saving = Private Saving + Public Saving = Y - C - G
44
What is a government budget surplus?
Surplus = T - G (positive public saving)
45
What is a government budget deficit?
Deficit = G - T (negative public saving)
46
When is investment profitable?
Investment is profitable if VMP / PK > r
47
How do you calculate the rate of return?
Rate of Return = Value of Marginal Product / Price of Capital
48
What is the real interest rate?
Real Interest Rate = Nominal Interest Rate - Inflation Rate
49
What happens if real interest rate is above equilibrium?
There is a surplus of savings.
50
What happens if real interest rate is below equilibrium?
There is a shortage of savings.
51
GDP identity (with no net exports)?
Y = C + I + G
52
National Saving (when NX=0)?
S = Y - C - G
53
What are the three stages in life-cycle saving?
Early Years: Borrowing; Middle Years: Saving; Retirement: Dissaving
54
What is a bond?
A bond is a legal promise to repay a debt with interest.
55
What is a share of stock?
A share of stock is partial ownership of a firm.