ECON 425
Key for ASSIGNMENT 1
S. C. Ahn
1.
E ( y ) y y yf ( y ) 1 .1 2 .2 3 .3 4 .4 0.1 0.4 0.9 1.6 3 var( y ) y ( y y ) 2 f ( y ) (1 3) 2 0.1 (2 3) 2 .2 (3 3)2 .3 (4 3) 2 .4
0.4 0.2 0.4 1
2.
f x ( x 2) 1/ 8 1/ 24 1/12 6 / 24 1/ 4;
f y ( y 1) 1/ 8 1/ 4 1
ECN 425 [Form A]
KEY for the FIRST MID-TERM EXAM
DR. AHN
Q1.
for 1): d ; for 2): c ; for 3): d ; for 4): c ; for 5): d for 6): c ; for 7): b ; for 8): d ; for 9): d ; for 10): b
(1) (2) 0.755 0.71 0.045, if x 0 f x ( x) . 0.245 0.24 0.005, if x 1 f (1,1)
ECON 425
ASSIGNMENT 1 DUE September 8 (Thursday)
S. C. Ahn
Show your effort. No credit will be given if no appropriate explanation follows. (10 pts.) Let Y be a random variable distributed as shown in the accompanying table. y f(y) 1 .1 2 .2 3 .3 4 .4
1.
Chapter 7
Problem 1 and an extra
Problem 1
In autarky, the decomposition of food and clothing aggregates reveals they are each produced in ten varieties. Each variety requires 200 units of setup cost. Also, each unit of food variety requires 1 unit of re
Homework #2: Answers Text questions: 1. The home country in Figure 3.3 responds to the trading opportunities shown by line 2 by increasing production of clothing for export (from E to A) and actually reducing the quantity of clothing consumed. Show why:
a
ECON 425 Q1.
EXERCISE 1
Dr. AHN
A random variable X has the following pdf: x f(x) 0 b 1 2b 2 3b 3 4b 4 5b
1) What is the value of b? Why? 2) Find the Pr(X 3). 3) Find E(x). Q2. The joint probability distribution of X and Y is given by the following table:
ECN 425
EXERCISE 4
DR. AHN
1. (15 pts.; 3 pts on each.) Choose the one alternative that best completes the statement or answers the question. (1) Consider a panel regression of unemployment rates for the G7 countries (United States, Canada, France, German
ECON 425 Fall, 2011
ASSIGNMENT 4 DUE November 29 (Tuesday)
S.C. AHN
Credits will be given only if you do report all of the relevant estimation outcomes. Copy regression result tables into your word processor, print out them, and report them. You may make
ECON 425
ASSIGNMENT 3 DUE OCTOBER 20 (Thursday)
S.C. AHN
Credits will be given only if you do report all of the relevant estimation outcomes. Print out Eviews estimation and forecasting outcomes. The necessary data file (wage2.wf1) can be downloaded from
ECON 425
ASSIGNMENT 2 DUE September 20 (Tuesday) (Show your effort; otherwise, no credit will be given)
Dr. AHN
1. (10 pts.) Let X stand for the rate of return on a security (say, Intel) and Y the rate of return on another security (say, Motorola). Let x
A few notes on exercise set 6: The Footloose Factors Model
aLY=4 aAY=0.8 aLX=2 aLY*=6 aAY*=1 aLX*=5
- Constant marginal costs of production (constant returns to scale) - Factor A is specific in the production of Y - Countries are both small and take price
Chapter 5
Problems reviewed in class 2, 3 and 4
Problem 2
With reference to Figures 5.2 and 5.3, a 10% increase in the price of Food would shift the VMPL up by 10% in Food and suppose that a 10% increase in supply of land would (at constant prices) shift
Econ/EEP 181: International Trade Assignment # 2 Solutions
Luosha Du, Shanthi Nataraj, and Robert Santillano University of California, Berkeley Due: October 1, 2008
1. Specic Factors and Trade. Finland is capital abundant relative to potential trading par
Assignment: Optimal Tariff
Question and Answer
Question: Tariff and Trade
Let us suppose that the U. S. demand curve for sugar is given by D = 300 - 3p. Its supply curve is, S = 100 + 2p. Consider that the rest of the world has an export supply curve of
Note on Matrix Algebra
Definition 1:
a11 a12 . a1n a a22 . a2 n 21 . A= : : : a m1 am 2 . amn
A is called a mn matrix. (m = # of rows ; n = # of column.)
Definition 2: Let A be an mn matrix. The transpose of A is denoted by At (or A), which is a nm matr
Homework #6: Answers Text questions, Chapter 7, problems 1-2. 1. Suppose there is only one technique that can be used in clothing production. To produce one unit of clothing requires four labor-hours and one unit of capital; in food production each unit r
Chapter 8- Analysis of Tariffs and Other Barriers to Free Trade In this chapter we will discuss: 1. Introduction to tariffs and other trade barriers 2. Analysis of a tariff in a "small" economy 3. Analysis of a tariff in a "large" economy 4. Analysis of a
Tutorial I Primeros Pasos en Eviews
jueves, 20 de mayo de 2010 08:56 a.m.
Revisado y modificado
Deybi Morales Len Nicaragua Universidad Centroamericana Insumos 1. Eviews. En este manual estaremos utilizando Eviews 7 2. El archivo DEMO.XLS, descargar dando
4. REGRESSION WITH MULTIPLE REGRESSORS
(CH. 6, 7, and 18)
Recommended exercise questions from the textbook:
Chapter 6: All except (6.10) and (6.11.f).
Chapter 7: All except (7.8) c and (7.11).
What do we learn?
Multiple regression.
Omitted Variable bias.
3. LINEAR REGRESSION WITH ONE REGRESSOR
(CH. 4 - 5)
The exercise questions in the textbook that you are not responsible for:
Chapter 4:
(4.4), (4.8), (4.10), (4.13), (4.14).
Chapter 5:
(5.6), (5.9), (5.11), (5.12), (5.15).
1 | One Regressor
[1] Motivation
ECN 425
ECONOMETRICS
EXERCISE 2
DR. AHN
FALL 2014
Q1.
(30 pts.; 3 pts. on each.) Choose the one alternative that best completes the statement or
answers the question. Write your answers below. The ones marked on questions will not count.
Answers
1)
; for