Econ 700 Problem Set #3
Due Monday, October 12th, in class
NOTE: As noted in the syllabus, no late assignments will be graded. You
may work on the problem set in a group of up to four members. However
Econ 700 Problem Set #2
Due Tuesday, September 27th, in class
NOTE: As noted in the syllabus, no late assignments will be graded. You
may work on the problem set in a group. However, each student shou
Econ 700 Problem Set #4 Solutions
1/3 1/2 1/6
1. A rm has the Cobb-Douglas production function y = 10x1 x2 x3 .
Currently, it is using the input bundle (64, 9, 64).
(a) How much is the rm producing?
y
Econ 700 Midterm 1
Dr. Hansen
Oct. 5th, 2015
Answer the following questions to the best of your ability. Do not provide
irrelevant information. If a question seems ambiguous to you, state the most
rea
ECON 708 - Practice for Midterm 2 - Solutions
(Not to be handed in)
Professor
TA
1
:
:
Lones Smith
Josephine Xu & Alexander Clark
Consumer Theory
(a) Is this ever a legitimate expenditure function giv
Econ 700 Problem Set #1 Solutions
1. Find the least upper bound and greatest lower bound of each of the following sets (if they exist) and state whether the set contains these points:
(a) cfw_x Q : x2
X
F (x)
X
x
(X x)
F (x) =
f (x)
F (x)
x
X
F (x)
f (x)
X
Q 2 R
Q
(X 2 Q) =
X
(0 X 1) =
0
1
f (x) x
x2Q
1
f (x) x = F (1)
F (0)
0
g (x) : R ! R
g (X)
(g (X) =
g (x) f (x) x
g (X)
g (X)
k
Xk
X
k
=
(X) =
ANSWERS PAMPHLET
2 5 y(0) 5 c1 ;
151
1 5 y (0) 5 2c1 1 3c2 .
c1 5 2, c2 5 1, so y 5 e2t (2 cos 3t 1 sin 3t).
r 2 1 9 5 0, r 5 63i.
b) y 1 9y 5 0;
y 5 k1 cos 3t 1 k2 sin 3t,
24.15
y 5 23k1 sin 3t 1 3k2
ANSWERS PAMPHLET
101
and
]
]L p p p p p
f (xp (b, a) 5
(x , b , a , l , m ).
]a j
]a j
P
19.10 Form L(x, a, m ) 5 f (x) 2 m j h j (x, a). Let xp (ap ), m p (ap ) denote the
maximizer and its multiplie
Solutions are 21,
p
p
ANSWERS PAMPHLET
201
1
3 1
3
1i , 2i .
2
2 2
2
e11i 5 e1 ? ei 5 e(cos 1 1 i sin 1).
p
p
epi6 2 5 cos 1 i sin 5 i.
2
2
A3.8
e22pi 5 e2 ? e2pi 5 e2 (cos(2p ) 1 i sin(2p ) 5 2e2 .
A
As long as Var(Xf) is finite (as we implicitly assume), this last expression approaches 0 as n
approaches infinity. Therefore, the same argument used to prove the law of large numbers (Section
7.3.3)
Econ 700 Problem Set #6
Due Monday, November 13th, in class
NOTE: As noted in the syllabus, no late assignments will be graded. You
may work on the problem set in a group of up to four members. Howeve
Econ 700 Problem Set #5 Solutions
NOTE: For this problem set, use the definition that a set is compact i it is
closed and bounded.
1
1. Let cfw_xn 1
n=1 and cfw_yn n=1 be convergent sequences with lim
Econ 700 Problem Set #4 Solutions
1. Maximize 3xy
x3 subject to 2x y =
5, 5x + 2y
37, x
0, and y
0.
First, check the NDCQ: The Jacobian matrix in this case is
0
1
2
1
B 5
2 C
B
C
@ 1 0 A.
0
1
This mat
Econ 700 Problem Set #5
Due Thursday, October 27th, in class
NOTE: As noted in the syllabus, no late assignments will be graded. You
may work on the problem set in a group of up to four members. Howev
Econ 700 Problem Set #5 Solutions
1. Which of the following are subspaces of R2 ? Why?
(a) cfw_(x, y) : x = 0
This is a subspace, since there is closure under addition and
scalar multiplication.
(b) c
Econ 700 Problem Set #7
Due Tuesday, Nov. 22nd, in class
NOTE: As noted in the syllabus, no late assignments will be graded. You
may work on the problem set in a group of up to four members. However,
Econ 700 Problem Set #1
Due Tuesday, September 20th, in class
NOTE: As noted in the syllabus, no late assignments will be graded. You
may work on the problem set in a group of up to four members. Howe
Econ 700 Problem Set #8
Due Thursday, Dec. 1st, in class
NOTE: As noted in the syllabus, no late assignments will be graded. You
may work on the problem set in a group of up to four members. However,
Econ 700 Discussion #7 Solutions
Instructor: David Hansen, TA: Yue Li and Zhigang Ge
November 3th, 2017
1
Review List
1.1
Open/Closed Sets
Denition 1: A set S Rn is open if and only if x S , > 0 such
requiring verbal responses to another human being. 23 Even after the election, Trump's approval
scores were 7 percentage points higher in anonymous polls than in polls based on live interviews.24
Depe
Econ 700 Problem Set #4
Due Monday, October 30th, in class
NOTE: As noted in the syllabus, no late assignments will be graded. You
may work on the problem set in a group of up to four members. However
Econ 700 Problem Set #5
Due Monday, November 6th, in class
NOTE: As noted in the syllabus, no late assignments will be graded. You
may work on the problem set in a group of up to four members. However
Li-Wei Fan Assignment 12
Section 1
The differences between Production Plans and Production Orders with respect to
Bills of Materials, Routings, and Input Data are mentioned below.
(1) BOM: The bill of
Li-Wei Fan Assignment 13
Section 1
Traditional reporting application provides users different standard financial
statements to present. However, the Crystal Reports allow users to graphically design
d
Li-Wei Fan Assignment 5
Session 1
The final procurement processes are (1) invoice verification and (2) payment.
(a) Triggers: Invoice and Approved Invoice.
(b) The Actors: Accounts Payable Employees.
Assignment 3 Li-Wei Fan 1196363
Section 1
In order to make the procurement, the user has to make sure and identity the
need of the products or materials at first. Second, the user has to check out the
Li-Wei Fan Assignment 8
Section 1
The final steps in the Sales and Distribution process are preparing invoice and
handling invoice payment.
1. The Triggers: Approved shipment order and invoice or chec