曼昆宏观经济学chapter23
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value of all final goods and services produced within a country in a given period of time.
THE MEASUREMENT OF GROSS DOMESTIC PRODUCT
• ―GDP is the Market Value . . .‖
• ―. . . Goods and Services . . . ‖
– It includes both tangible goods (food, clothing, cars) and intangible services (haircuts, housecleaning, doctor visits).
THE ECONOMY’S INCOME AND EXPENDITURE
• When judging whether the economy is doing well or poorly, it is natural to look at the total income that everyone in the economy is earning.
• ―. . . In a Given Period of Time.‖
– It measures the value of production that takes place within a specific interval of time, usually a year or a quarter (three months).
Content
• The economy’s income and expenditure • The measurement of gross domestic product • The components of GDP • Real versus nominal GDP
• Is GDP a good measure of economic wellbeing?
Labor, land, and capital Income = Flow of inputs and outputs
= Flow of dollars
Copyright © 2004 South-Western
THE MEASUREMENT OF GROSS DOMESTIC PRODUCT
• GDP (gross domestic product) is the market
– The spending on capital equipment, inventories, and structures, including new housing.
THE COMPONENTS OF GDP
• Government Purchases (G):
– The spending on goods and services by local, state, and federal governments. – Exclude transfer payments. why?
– Output is valued at market prices.
• ―. . . Of All Final . . .‖
– It records only the value of final goods, not intermediate goods (the value is counted only once).
• Net Exports (NX):
– Exports minus imports.
Question
• The government purchases component of
GDP does not include spending on transfer
payments such as Social Security. Thinking
about the definition of GDP, explain why
transfer payments are excluded.
Table 1 GDP and Its Components
Copyright©2004 South-Western
GDP and Its Components (2001)
THE MEASUREMENT OF GROSS DOMESTIC PRODUCT
• ―. . . Produced . . .‖
– It includes goods and services currently produced, not transactions involving goods produced in the past.
• Net national product (NNP)
– GNP-Dis.
• National income (NI)
– NDP-tax
• Personal income (PI)
• Disposable personal income (DPI)
THE COMPONENTS OF GDP
• GDP includes all items produced in the economy and sold legally in markets. • What Is Not Counted in GDP?
HOUSEHOLDS •Buy and consume goods and services •Own and sell factors of production
Factors of production
Wages, rent, and profit
MARKETS FOR FACTORS OF PRODUCTION •Households sell •Firms buy
THE COMPONENTS OF GDP
• GDP (Y) is the sum of the following:
– Consumption (C) – Investment (I) – Government Purchases (G) – Net Exports (NX)
Y = C + I + G + NX
• A real estate intermediary has sold an old house to a consumer, does this transaction have any contribute to GDP. Explain.
Other Measures of Income
• Gross national product (GNP)
• What Is Not Counted in GDP?
– GDP excludes most items that are produced
and consumed at home and that never enter
the marketplace. – It excludes items produced and sold illicitly, such as illegal drugs. – Underground economy
Chapter 23 Measuring a Nation’s Income
Measuring a Nation’s Income
• Microeconomics
– Microeconomics is the study of how individual households and firms make decisions and how they interact with one another in markets.
• ― . . . Within a Country . . .‖
– It measures the value of production within the geographic confines of a country.
THE MEASUREMENT OF GROSS DOMESTIC PRODUCT
THE COMPONENTS OF GDP
• Consumption (C):
– The spending bห้องสมุดไป่ตู้ households on goods and services, with the exception of purchases of new housing.
• Investment (I):
• Macroeconomics
– Macroeconomics is the study of the economy as a whole. – Its goal is to explain the economic changes that affect many households, firms, and markets at once.
THE MEASUREMENT OF GROSS DOMESTIC PRODUCT
• The equality of income and expenditure can be
illustrated with the circular-flow diagram.
Figure 1 The Circular-Flow Diagram
Discussion
• Which contributes more to GDP——the production of an economy car or the production of a luxury car? Why? • A farmer sells wheat to a baker for $2. The baker uses the wheat to make bread, which is sold for $3. what is the total contribution of these transaction to GDP?
MARKETS FOR GOODS AND SERVICES •Firms sell Goods •Households buy and services sold Revenue
Spending Goods and services bought
FIRMS •Produce and sell goods and services •Hire and use factors of production
THE ECONOMY’S INCOME AND EXPENDITURE
• For an economy as a whole, income must equal expenditure because:
– Every transaction has a buyer and a seller. – Every dollar of spending by some buyer is a dollar of income for some seller.
• GDP measures two things at once: the total income of everyone in the economy and the total expenditure on the economy’s output of goods and services.
Measuring a Nation’s Income
• Macroeconomics answers questions like the following:
– Why is average income high in some countries and low in others? – Why do prices rise rapidly in some time periods while they are more stable in others? – Why do production and employment expand in some years and contract in others?
THE MEASUREMENT OF GROSS DOMESTIC PRODUCT
• ―GDP is the Market Value . . .‖
• ―. . . Goods and Services . . . ‖
– It includes both tangible goods (food, clothing, cars) and intangible services (haircuts, housecleaning, doctor visits).
THE ECONOMY’S INCOME AND EXPENDITURE
• When judging whether the economy is doing well or poorly, it is natural to look at the total income that everyone in the economy is earning.
• ―. . . In a Given Period of Time.‖
– It measures the value of production that takes place within a specific interval of time, usually a year or a quarter (three months).
Content
• The economy’s income and expenditure • The measurement of gross domestic product • The components of GDP • Real versus nominal GDP
• Is GDP a good measure of economic wellbeing?
Labor, land, and capital Income = Flow of inputs and outputs
= Flow of dollars
Copyright © 2004 South-Western
THE MEASUREMENT OF GROSS DOMESTIC PRODUCT
• GDP (gross domestic product) is the market
– The spending on capital equipment, inventories, and structures, including new housing.
THE COMPONENTS OF GDP
• Government Purchases (G):
– The spending on goods and services by local, state, and federal governments. – Exclude transfer payments. why?
– Output is valued at market prices.
• ―. . . Of All Final . . .‖
– It records only the value of final goods, not intermediate goods (the value is counted only once).
• Net Exports (NX):
– Exports minus imports.
Question
• The government purchases component of
GDP does not include spending on transfer
payments such as Social Security. Thinking
about the definition of GDP, explain why
transfer payments are excluded.
Table 1 GDP and Its Components
Copyright©2004 South-Western
GDP and Its Components (2001)
THE MEASUREMENT OF GROSS DOMESTIC PRODUCT
• ―. . . Produced . . .‖
– It includes goods and services currently produced, not transactions involving goods produced in the past.
• Net national product (NNP)
– GNP-Dis.
• National income (NI)
– NDP-tax
• Personal income (PI)
• Disposable personal income (DPI)
THE COMPONENTS OF GDP
• GDP includes all items produced in the economy and sold legally in markets. • What Is Not Counted in GDP?
HOUSEHOLDS •Buy and consume goods and services •Own and sell factors of production
Factors of production
Wages, rent, and profit
MARKETS FOR FACTORS OF PRODUCTION •Households sell •Firms buy
THE COMPONENTS OF GDP
• GDP (Y) is the sum of the following:
– Consumption (C) – Investment (I) – Government Purchases (G) – Net Exports (NX)
Y = C + I + G + NX
• A real estate intermediary has sold an old house to a consumer, does this transaction have any contribute to GDP. Explain.
Other Measures of Income
• Gross national product (GNP)
• What Is Not Counted in GDP?
– GDP excludes most items that are produced
and consumed at home and that never enter
the marketplace. – It excludes items produced and sold illicitly, such as illegal drugs. – Underground economy
Chapter 23 Measuring a Nation’s Income
Measuring a Nation’s Income
• Microeconomics
– Microeconomics is the study of how individual households and firms make decisions and how they interact with one another in markets.
• ― . . . Within a Country . . .‖
– It measures the value of production within the geographic confines of a country.
THE MEASUREMENT OF GROSS DOMESTIC PRODUCT
THE COMPONENTS OF GDP
• Consumption (C):
– The spending bห้องสมุดไป่ตู้ households on goods and services, with the exception of purchases of new housing.
• Investment (I):
• Macroeconomics
– Macroeconomics is the study of the economy as a whole. – Its goal is to explain the economic changes that affect many households, firms, and markets at once.
THE MEASUREMENT OF GROSS DOMESTIC PRODUCT
• The equality of income and expenditure can be
illustrated with the circular-flow diagram.
Figure 1 The Circular-Flow Diagram
Discussion
• Which contributes more to GDP——the production of an economy car or the production of a luxury car? Why? • A farmer sells wheat to a baker for $2. The baker uses the wheat to make bread, which is sold for $3. what is the total contribution of these transaction to GDP?
MARKETS FOR GOODS AND SERVICES •Firms sell Goods •Households buy and services sold Revenue
Spending Goods and services bought
FIRMS •Produce and sell goods and services •Hire and use factors of production
THE ECONOMY’S INCOME AND EXPENDITURE
• For an economy as a whole, income must equal expenditure because:
– Every transaction has a buyer and a seller. – Every dollar of spending by some buyer is a dollar of income for some seller.
• GDP measures two things at once: the total income of everyone in the economy and the total expenditure on the economy’s output of goods and services.
Measuring a Nation’s Income
• Macroeconomics answers questions like the following:
– Why is average income high in some countries and low in others? – Why do prices rise rapidly in some time periods while they are more stable in others? – Why do production and employment expand in some years and contract in others?