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![Page 1: Copyright 1998, R.H. Rasche EC 827 Section A: Module I Introduction: Economic Concepts, Measurements and Data Sources.](https://reader036.fdocuments.in/reader036/viewer/2022062515/56649d235503460f949fa036/html5/thumbnails/1.jpg)
Copyright 1998, R.H. Rasche
EC 827
Section A: Module I
Introduction: Economic Concepts, Measurements and Data Sources
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Copyright 1998, R.H. Rasche
Vital Statistics
Geoff Jenkins– Campus Address:
Department of Economics
108 Old Botany Hall
Michigan State University
East Lansing, MI 48824-1038
(517) 355-1861
– e-mail: [email protected]
– Office Hours: Business Complex ?
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Copyright 1998, R.H. Rasche
Organizational Information
EC 827- Economics Web Page– use Netscape or Internet Explorer to open:
» http://www.msu.edu/course/ec/827/
Email contact» [email protected]
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Copyright 1998, R.H. Rasche
Organizational Information
Resources available on EC 827 homepage:
» Electronic Syllabus
» Assorted “how to” guides, etc.
» PowerPoint presentations
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Copyright 1998, R.H. Rasche
Organizational Information
Working Assumptions» Skilled at Using e-mail
» Skilled at basic functions of Netscape/IE, Word, Excel (including formula) and PowerPoint
Course Structure– Split between Section A and Section B
» Section A: forecasting models
» Section B: macroeconomics
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Copyright 1998, R.H. Rasche
Macroeconomics and Forecasting: What, Me Worry?
Conditional Business Strategies
Macroeconomic Environment (National and International) as a Conditioning Factor
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Copyright 1998, R.H. Rasche
Macroeconomic Impacts- Examples I
Southeast Asia 1997-8-9, Russia 1998-9 US Auto Industry in 70s and 80s
» (import competition)
Japanese Auto Industry in Early 90s » (yen appreciation)
S&L Industry & Inflation in late 70s Texas vs. World Oil Prices: 1986
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Copyright 1998, R.H. Rasche
Part I
Economic Activity, Growth, Inflation, Unemployment, and
Policy Trade-offs
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Copyright 1998, R.H. Rasche
Measuring Economic Activity: GDP
Gross Domestic Product (GDP)– Measure of the amount of all currently produced
goods and services that are sold on markets but not resold during the period of measurement.
– Measure of Production» Transactions that involve existing assets are
excluded - production (and GDP ) of past.» Non-market activity (including productive
activity within household) generally not included
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Copyright 1998, R.H. Rasche
Measuring Economic Activity: GDP
GDP as a flow
– measured over some period of time; without reference
to the time period, the concept has no meaning
– U.S. and most major countries measure over quarterly
and annual periods
– SAAR (seasonally adjusted at annual rates), i.e.
corrected for normal seasonal fluctuations, and then
extrapolated to a year ahead.
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Copyright 1998, R.H. Rasche
Measuring Economic Activity: GDP
Seasonal Adjustment - Statistical Technique to smooth out regular intra-year fluctuations
– reduces value in fourth quarter and increases value
in other three quarters
– particular importance in certain sectors, e.g.
consumer goods, agriculture
Annual Rates - adjustment to indicate rate of production if continued at current pace for a full year.
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Copyright 1998, R.H. Rasche
Measuring Economic Activity: GDP
If there’s inflation, nominal (current dollar)
GDP overstates rate at which economy is
growing.
– The Dollar value of the economy can grow, simply
because prices rise, not because of increased output
of real goods & services.
Real GDP is a quantity measure - most
comprehensive measure of volume of
production - independent of price changes
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Copyright 1998, R.H. Rasche
Measuring Economic Activity: GDP
Real and Nominal GDP
– Measuring aggregate of non-homogeneous items
requires a common unit of measurement
– Nominal GDP (current dollar) measures value of
current production in the monetary unit of the
country
– Real GDP (constant dollar) measures amount of
production valued at the prices of some specific
point in time (base year)
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Copyright 1998, R.H. Rasche
Measuring Economic Activity: GDP
Real and Nominal GDP, cont.
– By construction, real and nominal GDP are same in base year
– Base year in U.S. data updated approximately every five years.
» Feb, 1996 was last update to base year of 1992 from 1987.
» Purpose of updating base year is to minimize measurement errors in most recent real GDP data
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Copyright 1998, R.H. Rasche
Historical Perspective-Nominal and Real GDP
Nominal and Real GDP
Year1875 1889 1903 1917 1931 1945 1959 1973 1987
0
1000
2000
3000
4000
5000
6000
7000
8000
Nominal GDP
Real GDP
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Copyright 1998, R.H. Rasche
Historical Perspective -Real Growth
Real Growth Rate
Year1876 1889 1902 1915 1928 1941 1954 1967 1980 1993
-25
-20
-15
-10
-5
0
5
10
15
20
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Copyright 1998, R.H. Rasche
Measuring Economic Activity:Alternatives
Industrial Production– manufacturing sector
Personal Income– income received before personal taxes
If all that you’re measuring is economic activity, income should equal production or expenditure: what you make determines what you earn determines what you spend.
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Copyright 1998, R.H. Rasche
Business Cycle Phases
Recession (falling GDP) Recovery (rising GDP, out of the trough) Expansion (to above average levels of GDP)
Average U.S. Cycle Duration 48 Months– Recession - 18 months average
– Recovery and Expansion - 30 months average
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Copyright 1998, R.H. Rasche
U.S. Business Cycles: 1948-
Trough Months
– October, 1949
– May, 1954
– April, 1958
– February, 1961
– November, 1970
– March, 1975
– July, 1980
– November, 1982
– March, 1991
Peak Months– November, 1948
– July, 1953
– August, 1957
– April, 1960
– December, 1969
– November, 1973
– January, 1980
– July, 1981
– July, 1990
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Copyright 1998, R.H. Rasche
Average Real GDP Growth During Recessions
48-9: -1.1 % annual rate 53-4: -2.2 % annual rate 57-8: -3.4 % annual rate 60-1: -0.1 % annual rate 69-70: 0.2 % annual rate 73-5: -2.3 % annual rate 80-1: -4.9 % annual rate 81-2: -1.7 % annual rate 90-1: -3.4 % annual rate
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Copyright 1998, R.H. Rasche
Average Real GDP Growth During Expansions
49-53: 7.5 % annual rate 54-57: 3.4 % annual rate 58-60: 4.7 % annual rate 61-69: 4.2 % annual rate 70-73: 4.4 % annual rate 75-80: 3.8 % annual rate 80-81: 3.2 % annual rate 82-90: 3.3 % annual rate
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Copyright 1998, R.H. Rasche
Inflation: Consumer Price Index
Consumer Price Index - CPI– Measures average price of goods and services purchased
by urban, wage earning families.
– Prices measured relative to base year prices. Current base period = 1982-84
– Data collected monthly
– Used to index many contracts, both private and government (e.g. Social Security)
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Copyright 1998, R.H. Rasche
Inflation: Consumer Price Index
Measurement Biases in CPI– New Products
– Quality Improvements/Adjustments
– Discount Stores = sample selection problem.
Measurement Problems generally believed to add upward bias to CPI inflation of 0.5 to 1.0 percent per year– Political issues of re-calibration… how to fix the
deficit and enrage the AARP in one easy step...
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Copyright 1998, R.H. Rasche
Historical Perspective -CPI Inflation
CPI Inflation Rate
Year1876 1889 1902 1915 1928 1941 1954 1967 1980 1993
-12
-6
0
6
12
18
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Copyright 1998, R.H. Rasche
Inflation: Post WWII Experience
Stability: 1950s - 64 War: Vietnam Era: 1965-73 Sudden, unpleasant surprises: Oil: 1974-81 “Volcker Disinflation”: 1981-2 Stability: 1980s, “Greenspan period”: 1987-present
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Copyright 1998, R.H. Rasche
Employment and Unemployment
Consumer (Household) Survey Data– Employed if working
» ignores underemployed or overemployed
– In Labor Force if Employed or looking for work.» Homemaking? Only if you’re a French politician…
– Unemployed = Labor Force - Employed
– Unemployment Rate = Unemployed/Labor Force
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Copyright 1998, R.H. Rasche
Historical Perspective -Unemployment Rate
Unemployment Rate 1890-1995
Year1890 1902 1914 1926 1938 1950 1962 1974 1986
0
5
10
15
20
25
30
Pe
rce
nt
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Copyright 1998, R.H. Rasche
Unemployment Rate
Frictional Unemployment» The lucky: Moving from job to job
– Natural Rate of Unemployment
Cyclical Unemployment» The unlucky: Waiting for better days
Structural Unemployment» The clueless, helpless, hapless, hopeless
» These are the people that need & can use help
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Copyright 1998, R.H. Rasche
Historical Perspective - Inflation vs Unemployment
Phillips Curve 1890-1995
Unemployment Rate0 5 10 15 20 25 30
-15
-10
-5
0
5
10
15
20
25
Infl
ati
on
Ra
te
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Copyright 1998, R.H. Rasche
Part V
Interest Rates
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Copyright 1998, R.H. Rasche
Interest Rates
Nominal Interest rates – measure the fraction (or percentage) of value of a
loan earned by lender (or paid by borrower) per time period
– Short-term nominal rates
– Long-term nominal rates
Term Structure of Interest Rates
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Copyright 1998, R.H. Rasche
Historical Perspective - Nominal Interest Rates
Long- and Short-term Nominal Interest Rates
Year1875 1888 1901 1914 1927 1940 1953 1966 1979 1992
0
2
4
6
8
10
12
14
16COM_PAPERCORP_BOND
Pe
rce
nt
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Copyright 1998, R.H. Rasche
Interest Rates
Real Interest rates– measure the fraction (or percentage) of the purchasing
power of a loan that lenders expect to earn (or borrowers expect to pay) per period
– requires a measure of expectations (or forecasts) of inflation over the life of the loan
– real rate approximately equal to nominal rate - expected future rate of inflation
» Fisher-effect problems
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Copyright 1998, R.H. Rasche
Part II
How to get Economic Data
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Copyright 1998, R.H. Rasche
FRED
No Central Statistical Agency in U.S.
Federal Reserve Bank of St. Louis – maintains an electronic data base
– accessible via Internet
– Web address:
» http://www.stls.frb.org/fred
– data series can be downloaded using Netscape to local computer files
» see How To on EC 827 Web page
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Copyright 1998, R.H. Rasche
Using Data Retrieved from FRED
Data files can be opened and analyzed with Excel– eliminating blank rows: see How to on EC 827
home page
– Creating quarterly dates: see How to on EC 827 home page
– Creating quarterly average data from monthly series: see How to on EC 827 home page
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Copyright 1998, R.H. Rasche
US Economic DataGraphs
National Economic Trends– Federal Reserve Bank of St. Louis
– www.stls.frb.org/publ/net
Monetary Trends– Federal Reserve Bank of St. Louis
– www.stls.frb.org/publ/mt
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Copyright 1998, R.H. Rasche
www.stls.frb.org/publ/netExample
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Copyright 1998, R.H. Rasche
Weekly US Financial DataGraphs
Federal Reserve Bank of St. Louis– US Financial Data
– www.stls.frb.org/publ/usfd
Most US Economic data is either unavailable or unreliable over short (weekly, daily) periods, but the same techniques can be applied as for longer term data
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Copyright 1998, R.H. Rasche
www.stls.frb.org/publ/usfdExample