Chin lc kinh doanh quc t
* Cc khi nim:
Chin lc v cc loi chin lc
Li ch t hot ng m rng ra ton cu
Hiu ng kinh nghim (Experience Effects)
Tnh kinh t ca a im (Location Economies)
Chuyn giao li th ca doanh nghip (Leveraging Core
Competencies)
Chuyn giao li th t
Chng 10 : o lng thu nhp quc gia
Cu 1: Trong s dng chu chuyn, ngun cc yu t sn xut to ra hong ha v dch v l
a, th trng sn phm
b, th trng ti nguyn
c,cc doanh nghip
d, cc h gia nh
( Ti v h gia nh cung cp lc lng lao ng v tiu th hng ha v dch v trn th
trng)
Cu 2
WEEK 1 - SESSION 1
1.
What are the types of the following data structures (hint: use Stata statistical software package to open these files)?
i.
HSEINV.dta : time series data
ii.
INVEN.dta : time series data
iii.
FERTIL3.dta : time series data
iv.
SLEEP75
HOMEWORK WEEK 6.2
Question 1
Question 2
Question 3
Use HPRICE1, consider the following equation:
i. Use F-test to test the null hypothesis that 1% change in assess should be associated with
a 1% change in price while lotsize, sqrft and bdrms should not he
Exam
Basic Econometrics
HNE485 (NEG300)
Department of Economics
School of Business, Economics and Law
February 18th, 2015
Jan Feld
Instructions:
i.
This exam consists of two parts. Part I refers to the material we have covered in the
lectures and consists
ECO202 APPLIED ECONOMETRICS
Quarter 2 2016
Unit Guide
ECO202 APPLIED ECONOMETRICS
QUARTER 2 2016
About Applied Econometrics
Contacts
Below is a list of contacts for this unit. Please liaise directly with your lecturer/unit coordinator
regarding appropriat
Solutions to Problem Set 2 (Due October 6)
EC 228 02, Fall 2010
Prof. Baum, Ms Hristakeva
Maximum number of points for Problem set 2 is: 100
Problem C.1.2
(i) (2 pts.) You can see the number of women total as well as the number of women
who smoked by usi
Department of Economics
University of Essex
Dr Gordon Kemp
Session 20122013
Autumn Term
EC352 Econometric Methods
Exercises from Week 04
1
Problem P9.3
Let math10 denote the percentage of students at a Michigan high school receiving a passing
score on a s
Introduction to Econometrics
Spring 2016 - M. Pak, J. Shi, and B. Xu
Problem Set 2: Suggested Solutions
1. (2014 MT) Suppose the following data has been obtained for the linear model
Y = 0 + 1 X + U.
xi
yi
1
4
-4
0
2
2
1
-2
(a) Find the OLS estimators 0 a
Linear Regression
Fall 2001
B6014: Managerial Statistics
Professor Paul Glasserman
403 Uris Hall
General Ideas of Linear Regression
1. Regression analysis is a technique for using data to identify relationships among variables and use these relationships
WEEK 1 - SESSION 2
1. Use Stata to get the following answers:
i.
Read the file BWGHT in Stata package
ii.
What is the average number of cigarettes smoked per day? Find the largest and
smallest number of cigarettes smoked per day.
The average number of cig
WEEK 1 - SESSION 2
1. Use Stata to get the following answers:
i.
Read the file BWGHT in Stata package
ii.
What is the average number of cigarettes smoked per day? Find the largest and
smallest number of cigarettes smoked per day. :
2
50
0
sum cigs
sum cig
HOME WORK WEEK 7
Question 1
i)
t test for size
step 1
H0: B hsize2 = 0
H1: B hize2 0
step 2
t statistical = -2.19 / 0.53 = 4.13
step 3
t critical = 1,96
step 4
t statistic = 4.13 > t critical = 1.96
=> We reject Ho accept H1
that means hsize^2 statistical
HOME WORK WEEK 7
Question 1
Use the data in WAGE1.RAW for this exercise.
(i)
Use OLS to estimate the equation
and report the results using the usual format.
(ii) Is exper2 statistically significant at the 1% level?
(iii) Using the approximation
find the a
Homework - Week 3 Session 1
Question 1
Use the data in SLEEP75.dta from Biddle and Hamermesh (1990) to study whether there is a
tradeoff between the time spent sleeping per week and the time spent in paid work. We could
use either variable as the dependen
Week 2 Session 2
1.
The following table contains the ACT scores and the GPA (grade point average) for eight
college students. Grade point average is based on a four-point scale and has been rounded to
one digit after the decimal.
Use Stata to:
i.
Input th
HOMEWORK WEEK 6.1
6.1
Which of the following can cause the usual OLS t statistics to be invalid (that is, not to have t
distributions under H0)?
(i) Heteroskedasticity.
(ii) A sample correlation coefficient of .95 between two independent variables that ar
WEEK 1 - SESSION 1
1.
What are the types of the following data structures (hint: use Stata statistical software
package to open these files)?
i.
ii.
iii.
iv.
v.
vi.
HSEINV.dta
INVIN.dta
FERTIL3.dta
SLEEP75.dta
WAGEPAN.dta
RENTAL.dta
2.
Read Chapter 1 to s
TYPES OF BULLYING
Bullying is defined as repetitive aggression exerted against an individual who is unable
to defend himself or herself (Beran, T., & Stewart, S. ,2008)
There are four main types of bullying
1.Physical bullying
This is a common type of bul
1. Which washing powder do you use?
A. Aba
B. Omo
C. Tide
D. Ariel
2. How is your clothes after being washed with washing powder Aba?
A. The color blurs much
B. Not clean
C. The powder is still on clothes
D. Very clean
3. How do you know Aba?
A. Televisio
Exam
Name_
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers
the question.
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The supervisor of a production line believes that the average time to assemble an
SAMPLE
MID-TERM EXAM
(The sample contains only 20 questions)
Statistics for Business
Time: 75 minutes for 50 questions
Student Name:_Student ID: _
Students are allowed to use textbooks, their own notes and calculators on the exam, but programmable compute
Exam
Name_
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers
the question.
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
An analysis of variance table is displayed below with missing values, denoted by a
Exam
Name_
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers
the question.
(Situation P) Each year U.S. News & World Report conducts its "Survey of America's Best
Graduate and Professional Schools." The top 25 busine
Exam
Name_
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers
the question.
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A manager is considering the purchase of new production equipment to improve the o
MAT102- STATISTICS FOR BUSINESS
Unit Guide
Page | 1
M AT 1 0 2 _ S T A T I S T I C S F O R B U S I N E S S
QUARTER 4 2015
About Statistics for Business
Contacts
Below is a list of contacts for this unit. Please liaise directly with your lecturer/unit
coor