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Chapter 3. Multiple Regression Analysis: Estimation
Simple linear regression model: an intercept and one explanatory variable (regressor)
Multiple linear regression model: an intercept and many expl
Wendy Reflection on the past 10 weeks
Hello, everyone. It seems that time flashed so fast and ten weeks had
already passed. At the beginning I have to say that it is really a pleasure
to be one of pe
Wend
y
Historic Circumstance
The first Japanese(Acrobat) : settle
a merchant
in Queensland
n 1871
Most Japanese: immigrate
in 1880s.
Further tendency of immigration (decline)
A terminal : White Austra
There is no doubt that nowadays education means the most crucial factor
to promoting both governments and individuals, thus more attention
should be taken to improve the higher education in universiti
What is economics?
Definition of economics
The study of choices people and societies
make to attain their unlimited wants, given
their scare resources
(Hubbard, Garnett, Lewis, and OBrien 'Essentials
Prices of Related Goods
If the price of a substitute increases, then demand will
increase
If the price of a substitute decreases, then demand will
decrease
If the price of a complement increases, t
Exercise 1 [4 marks]
Suppose that a pizza restaurant exists where you pay $20 as you enter, and then can
eat as much pizza as you want for no additional cost.
a) Describe, using the terminology of eco
Read the following excerpts from
Chocolate Makers Fight a Melting Supply of Cocoa The Wall Street Journal By ALEXANDRA
WEXLER Jan. 13, 2016 9:30 p.m. ET
ABANKROM, GhanaYaa Amekudzi bounces along dirt
The article quoted below discusses the sales of portable video game console PlayStation
Vita after a price drop in Japan from 25,000 to 20,000 in late February 2013.
Yesterday, we told you about a rep
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What is Econometrics
Econometrics is a branch of statistics that specializes in analyzing, interpreting and forecasting economic
data.
Other science fields have their own specialization: Biometrics,
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Chapter 12. Serial Correlation
Examples of time series models
Static Phillips curve  tradeoff between inflation and unemployment rate (or GDP growth rate)
Expectation augmented Phillips curve
Aggre
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Summary of Least Squares Estimator
Model Specification
 Some regressors can be squares of another variable (e.g.,

and
).
can be the levels of the original variables, or some function of the origi
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Chapter 7 Qualitative Variables
Previous discussion and examples considered only continuous variables. We now consider discrete variables
that represent categorical (qualitative) differences across
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Chapter 6. Multiple Regression Analysis: further Issues
Effects of Data Scaling
Change in the scale of the dependent variable
all coefficients are affected by the same scale
standard deviation of th
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Chapter 4. Multiple Regression Analysis: Inference
We can summarize what we have done so far as follows.
Specification of multiple linear regression model
OLS (Ordinary Least Squares) estimator
mini
Wendy DiaryBuild a New Habit of time management
21/03/2017 Tuesday
I determine to set a clear time plan because I am not good at time management, and
always forget some important things to finish .In