Interval
Estimation
I
1.
Interval
Estimator
In
the
previous
section,
we
have
considered
the
point
estimation
of
unknown
parameters
in
the
population.
The
point
estimation
leads
to
a
single
number
for
the
estimation
of
giv
Random
Variables
(Distribution
Theory)
This
note
is
based
on
Prof.
Joon
Y.
Park's
lecture
notes
series.
1.
Random
Variables
To
summarize
the
information
to
random
experiments
conveniently,
we
need
this
information
to
be
nu
Random
Variables
(Distribution
Theory)
This
note
is
based
on
Prof.
Joon
Y.
Park's
lecture
notes
series.
Joint
Probability
Distributions
We
discussed
the
joint
probability
before,
and
now
consider
the
interaction
between
two,
PROBABILITY
This
note
is
based
on
Prof.
Joon
Y.
Park's
lecture
notes
series.
Based
on
the
sample
information,
it
is
impossible
to
know
exactly
the
reaction
of
the
whole
population;
any
information
about
the
population
fr
Hypothesis
Testing
1.
Concepts
of
Hypothesis
Testing
We
are
often
interested
in
using
data
in
discriminating
among
economic
theories
or
accessing
the
validity
of
some
conjecture,
or
hypothesis.
Generally,
hypotheses
are
form
Probability
Distributions
This
note
is
based
on
Prof.
Joon
Y.
Park's
lecture
notes
series.
1.
Continuous
Probability
Distributions
In
fact,
there
are
lots
of
continuous
probability
density
functions.
That
is,
any
function
t
Point
Estimation
This
note
is
based
on
Prof.
Joon
Y.
Park's
lecture
notes
series.
1.
Statistical
Inference
General
Remarks
:
Suppose
that
we
are
given
n-numbers
x1;:;xn,
which
are
believed
to
be
generated
from
some
rando
DESCRIPTIVE
STATISTICS
Objective
:
To
present
statistical
data
in
such
a
way
that
the
important
characteristics
of
the
data
could
be
easily
understood.
Our
aim
is
to
survey
some
of
the
methods
employed
in
the
summarizati
Interval
Estimation
II
5.
Condence
Intervals
for
the
Variance
of
a
Normal
Population
Suppose
that
we
have
a
sample
of
n
observations
from
a
normal
population
with
mean
and
variance
2
.
In
this
section,
we
consider
th
Sampling
Distribution
\A
sample
should
be
representative
of
the
population":
Random
Sampling
.
Some
denitions
.
We
want
to
know
the
properties
of
a
large
group
of
objects,
given
information
on
a
relatively
small
subset
o
Families
of
Distributions
We
have
discussed
properties
of
discrete
and
continuous
random
variables.
Now,
we
are
going
to
consider
some
important
examples
of
discrete
and
continuous
random
variables.
Discrete
Probability
Distr
Random
Variables
(Distribution
Theory)
This
note
is
based
on
Prof.
Joon
Y.
Park's
lecture
notes
series.
1.
Random
Vectors
and
Joint
Distribution
(1)
A
Random
Vector
.
Random
Vector
:
We
dene
random
variables
X1;:;Xn
on
Hypothesis
Testing
6.
Tests
of
the
Population
Variance
In
this
section,
we
develop
procedures
for
testing
the
population
variance
2
based
on
a
random
sample
of
n
observations
from
a
normal
population.
It
is
natural
to
b
Series NamSeries Cod Country N Country Co1970 [YR191971 [YR191972 [YR191973 [YR191974 [YR191975 [YR19
GDP per caNY.GDP.PCAKorea, Rep.KOR
10.43001 8.28539 4.531323 12.77558 7.52447 5.547129
Data from database: World Development Indicators
Last Updated: 03/
Series NamSeries Cod Country N Country Co1960 [YR191961 [YR191962 [YR191963 [YR19
Mortality raSH.DYN.MOKorea, Rep.KOR
112.9
106.5
100.8
95.1
Data from database: World Development Indicators
Last Updated: 03/23/2017
1964 [YR191965 [YR191966 [YR191967 [YR19
Series NamSeries Cod Country N Country Co1960 [YR191961 [YR191962 [YR191963 [YR19
Population SP.POP.65UKorea, Rep.KOR
3.741473 3.731315 3.690776 3.617339
Data from database: World Development Indicators
Last Updated: 03/23/2017
1964 [YR191965 [YR191966 [Y
Series NamSeries Cod Country N Country Co
Fertility ra SP.DYN.TFRKorea, Rep.KOR
1960 1961 [YR191962 [YR191963 [YR19
6.155
5.989
5.789
5.574
1960
1961
1962
1963
6.155
5.989
5.789
5.574
Data from database: World Development Indicators
Last Updated: 03/23/20
Series Name
Population ages 15-64 (% of total)
Data from database: World Development Indicators
Last Updated: 03/23/2017
Series Cod Country N
SP.POP.156Korea, Rep.
Country Co1960 [YR191961 [YR191962 [YR191963 [YR191964 [YR191965 [YR191966 [YR19
KOR
55.350
SKKU 312 - Principles of Economics
:
U RL:
:
2016-10-13 7:53
2016-12-05 2:58
file:/C:/Program%20Files%20(x86)/Simplenote/resources/app/dist/index.html
SKKU 312 - Principles of Economics
by Professor Park
_
LECTURE 1-1
CH 1: 10 PRINCIPLES OF ECONOMICS (1
Final Exam Review
1. Effective Transportation
- Maximizing multimodality
- Using different modes accordingly to their best advantages and disadvantages to
increase efficiency and decrease delivery time and costs
- integrating transportation into SCM to co
Figure 3.1. Inequality measures: gone ratio and top 1% income share,
1961 to 2o14-15toe
5
Rethof Income at the 90111 and 113th
percentiles cfw_moo relic]
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-'I'op 1% share of team: cfw_RH axis)
Share of household lnoorne held by th
Figure 3.1. Inequality measure5: BEING ratie and tnp1%in-:nn1e Share,
1961 ten 21415cfw_GE]
Flatin df inmrne at the 911m: and 111m:
percentiles cfw_gene ratio]
9I1-El ran [LH axis]
Share uf heusehuld Fncerne held by the top
1% df individuals
I] po 1"!-
J I_
II. Major topics of the Course .4
o This course targets to build up solid understanding of economic theories lying
behind the current issues of international commercial policies, such as v
i) Economic theories of major trade policies and its welfare
Stressed Out
As capital outflow-rs strain EmErging-mai'kE-t economies and companies. the rate at which banks borrow
from eadi other is rising signaling a cash crunch
Hatcapltalowslnamarglnn Broadmoneygrowi' Three-menu! Manhatt-
mam - Latln America - Ern
Lecture 1: Introduction to International Commercial Policies
I. Introduction of the Course
O This course can be also titled as Political Economy of International Trading
System
- International Trade has served as an engine of growth throughout the human
h
J |_
Lecture 1: Introduction to International Commercial Policiesv
._I
I. Introduction of the Coursev
0 This course can be also titled as Political Economy of International Trading
Systemh
- International Trade has served as an engine of growth throughout
J |_
0 L11 Brexit negotiation deal is struck, UK real economy will be hit by
postponement of all large scale investment in UK + Possible outows of
NINCs posts out of UK to continental EU J
-) Serious decrease of capital formation J
-) Additional negative