Lab 1, Econometrics II
Dimitris Korobilis
Exercise 5.12
The le cocaine.dat contains 56 observations on variables related to sales
of cocaine powder in northeastern California over the period 1984-1991.
The data are a subset of those used in the study Caul
Lab 1 EViews: Multiple Regression
Exercise 5.12
(a) What signs should you expect on the coefcients 2, 3, and 4?
Solution: The expected sign for 2 is negative because, as the number of grams in
a given sale increase, the price per gram should decrease, imp
Lab 2, Econometrics 2
Exercise 6.14
Following on from the example in Section 6.3, the le hwage.dat contains another subset of
the data used by labor economist Tom Mroz. The variables with which we are concerned are
HW = husbands wage in 2006 dollars
HE =
EB1 Problem Set 1
1.
Ch1. Ex3. P22
Case A:
Firm
1
2
3
True Cost
100
120
140
150% Cost
150
180
210
Profit under truth
80
0
0
30
10
Profit under
Misrepresentation
Both firm 2 and 3 have the incentive to misrepresent their true cost, because they have lower
Tutorial 31 : Solutions
Background reading Chapter 3 and lecture notes.
ECON4007, FALL 2014
Author: M. Lombardi
Ex p.153
Case 1
1. uA (4,8) = 32 and As MRS at (4,8) is 2. uB (6,2)= 72 and Bs MRS at (6,2) is 23 .
2&3 Any exchange rate between the two margi
EB1 Tutorial 2 Suggested Solutions
CH2. Ex7. P123
Let x denote the payoff if caught, and y the payoff if not. Then,
x = 100 100 40% c = 60 c ,
(1.1)
y = 100 (100 c) 40% = 60 + 0.4c .
(1.2)
By equating c in the above two equations, we have our market oppor
Lab 2, Econometrics 2
Dr Dimitris Korobilis
February 5, 2014
1 Exercise 6.14
Following on from the example in Section 6.3, the le hwage.dat contains another subset of the data used by labor economist Tom Mroz. The variables with
which we are concerned are
Lab 4, Econometrics 2
Dr Dimitris Korobilis
March 5, 2014
1 Exercise 9.13
The le ex9.13.d at contains 157 weekly observations on sales revenue (SALES)
and advertising expenditure (ADV ) in millions of dollars for a large midwest
department store for 2005-
Lab 3, Econometrics 2
Dr Dimitris Korobilis
February 12, 2013
1 Exercise 7.5
In (7.7) we specied a hedonic model for house price. The dependent variable was the price of the house in dollars. Real estate economists have found
that for many data sets, a mo
Econometrics 2, Lab 3
Exercise 7.5
In (7.7) we specied a hedonic model for house price. The dependent variable
was the price of the house in dollars. Real estate economists have found that for
many data sets, a more appropriate model has the dependent var
Econometrics 2, Lab 4
Solution:
First, we should structuralize the data
Press Ctrl to select ADV and AVERADV simultaneously Open as group
View Graph Line & Symbol OK
The graph for SALES and ADV follow. Both appear not to be trending and both
fluctuate ar
Introduction to Eviews
Dr. Dimitris Korobilis
Health warning When using the PCs in the labs make sure you save ALL data les
:
downloaded from Moodle either in your H: or your M: drive. The local C: drive sometimes
has restricted permission from software l