ECON 2133 – Class Outline 1
Introduction
ECONOMICS: The study of how people allocate theirlimited resources to try to satisfy their unlimited wants.
Limited resources
versus unlimited wants
implies (economic) scarcity
And scarcity implies that we must make choices
So, Economics is the study of how people make choicesin the context of economic scarcity.
MICROECONOMICS: The study of how households and firmsmake decisions and interact in markets.
MACROECONOMICS: The study of the economy at the aggregate level (i.e., as a whole) including
Total output of the economy (GDP)
Employment / unemployment
Changes in overall price levels (inflation)
Economic growth, productivity, and living standards
How govt. actions affect the economy (monetary and fiscal policy)
Chap. 4: Macroeconomic Issues
Econ. Growth: Increasing ______of goods and services by an economy over ______
(i.e., incr. real GDP)
See pgs. 90 – 92 & Fig. 1, p. 91
Living Standards: ______per ______(GDP / population)
Productivity: ______per ______(GDP / # of workers)
Rf. Chap. 8
Employment / Unemployment
Unemployment rate: the ______of the ______not working.
See pgs. 92 – 94 & Fig. 2, p. 93
Short run s in the U rate are largely explained by ______
See pgs. 93 – 94 & Fig. 3, p. 94
Price levels and inflation
Price level (or index): A number that indicates the ______level of prices at a given time, relative to the level at a “______” time
E.g.PLt = 1.2
PLb = 1.0
implies that prices at time t are _____% higher than at time b
Inflation: ______price levels over time
See pgs. 95 – 96 & Fig. 4, p. 95
The study of macroeconomics involves ______
See pgs. 96 - 97
E.g. Y = C + I + G + NX
Marcoeconomic policy: ______actions that affect the economy’s performance over time
Monetary policy influences the economy’s ______
Fiscal policy - govt. ______and ______decisions that affect the economy
Structural policy affects the basic way in which the economy works
Positive analysis studies “what is” and predicts “what will be” under given economic conditions (measurement; scientific analysis)
Normative analysis: “what ought to be”
goes beyond positive anal. to express one’s value judgments
See p. 5 - 6, 98 - 99
Chap. 5 – Basic Macroeconomic Measures
Symbology
___total output of products by an econ. (i.e., gross domestic product - acronym GDP)
___“nominal” GDP
___“real” GDP
___disposable (personal) income
___personal consumption expenditures
___personal saving
___ (or Tx)tax payments or receipts
___capital investment spending
___govt. purchases of goods and services (govt. spending)
___consumer price index
___GDP deflator (a price index)
___annual inflation rate (%)
___unemployment rate (%)
The “Big Three” - Yr, U,
GDP: the total market value of all final goods and services produced within a nation annually.
______products only
Only ______products
No purely ______transactions or ______transfers
Study pg. 104 - 107
Three ways to measure GDP:
Expenditures approach
Y = C + I + G + NX
C =
I =
G =
NX =
(NX = Ex - Im)
Ex = exports
Im = imports
See pg. 107 - 113
Practice: Do Pb. 1 (pg. 47 - 48, study. guide)
Factor payments approach
Y = w + i + r + pr + (tx (bus) + kd)
Ynd(net domestic product)
Ynat(national income)
Ypers(personal income)
Disposable (personal) income
Yd = Ypers - Tx
Yd = C + S(“allocations equation”)
See pg. 114 - 116
Value added approach
Y = value added for all final products (in all stages of their production)
Value added = ______value of a product minus cost of ______inputs (from earlier stages of production) See pg. 114
Real vs. Nominal GDP
Nominal GDP (Yn): the production of products valued at ______prices
Real GDP (Yr): the production of products valued at ______(base year) prices
GDP deflator (Dy): a ______price index that measures changes in ______- ______price levels
See pg. 116 - 117
For any year x
Yr(x) = Yn(x) / [Dy(x) / 100]
E.g.Yn(x) = $8760 bil.
Dy(x) = 102.8
Yr(x) = ______/ [______/ ____ ] = $______bil.
More on PIs in Chap. 6
Uses of & problems with GDP measurements -- pgs. 117 - 120
Labor-related measures - Definitions
Employed
Unemployed
Not in labor force
Labor force = employed + ______
Unemployment rate
U(%) = (Unemployed / ______) * 100
See Fig. 3, p. 124
Labor force participation rate
LFPR(%) = (Labor force / ______) * 100
See pgs. 126 – 129 & Fig. 5 (p. 127), Fig. 6 (p. 128
Types of unemployment
Frictional
Seasonal
Structural
Cyclical
See pgs. 120 - 123
“Full employment” is when ______unemployment = ___
See pg. 123
“Costs” of U - pgs. 123 - 126
Chap. 6 - Price levels and inflation
Study concepts of
Price level(base = _____)
Price index(base = ______)(pg. 140)
PI(t) = Cost of “mkt. basket” in year t
------x 100
Cost of “mkt. basket” in base yr.
E.g. CPI2004 = 2004 cost of mkt. basket
------x 100
1983 cost of mkt. basket(pg. 141)
To calculate an annual ∏ (inflation) rate from a PI:
∏(t) = PI(t) – PI(t-1)
------x 100
PI(t-1)(pg. 142)
Note that ∏(t) will be a percentage number
E.g.PI(t) = 130PI(t-1) = 120
∏(t) = [(_____ – _____ / _____] x 100 = ______%See Fig. 1, p. 143
How the CPI and Dy differ
CPI mkt. basket is products typically bought by U.S.
______-- C and Im
DY mkt. basket is products ______in the U.S. economy
C, I, G, and Ex
Using a PI to calc. “real” values from “nominal” values
Yn(b) = $5000 bil.Yn(t) = $6600 bil.
Dy(b) = 100Dy(t) = 125
Yr(t) = Yn(t) / (Dy(t) / 100)
Yr(t) = $______bil. / (_____ / _____) = $______bil.
vs.
Yr(b) = $5000 bil.Why?
Any PI series will have a base year.
For the base year, the PI = 100.0 - both by calculation and definition.
If a price level (PL) series, the base year value = 1.0
See pg. 145
The current CPI base is 1982 - 1984 avg. prices, with a 2002 mkt. basket.
Application: See Table 2, p. 145
CPI is not a perfect measure of price changes - it likely overstates the rate by 1 - 2 %
Why?
______in product quality
_____ products (not in “mkt. basket”)
______when relative prices of products change
See pg. 151 - 152
The “costs” of
______purchasing power of money
Decreases ______
Redistributes ______
Causes ______of resources
See pg. 145 - 151
Nominal and Real Interest Rates
r = i - r is real interest rate
i is nominal interest rate
E.g.i = 10% = 4%
So that r = ___%(pg. 148)
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