IEOR 153 HW 4 Eddie Lo 19483002 1. Ch 5 #2-4 2) a. e-commerce and the internet alleviate the bullwhip effect because it allows suppliers to directly observe demand data as the number of visits to a certain product page or the purchases for a product will
CASE: GS-65 DATE: 02/13/09 (REVISED 01/03/11)
ZAPPOS.COM: DEVELOPING A SUPPLY CHAIN TO DELIVER WOW!
Our decision was always to focus on service because we got instant feedback whenever we upgraded delivery. Customers were wowed by the experience, and then
IEOR 153
Homework 3
Due on 3/10/2016 Thursday in class
1. Chapter 2: Discussion Questions #2, 3, 4, 5, 14 on pages 60-61.
2. A London based company purchases two raw materials from the same supplier. There
is a fixed cost of $250 associated with each repl
IEOR 153
Homework 4
Due on 4/19/2016 Tuesday in class
1. Chapter 7: Discussion Questions #1, 2, 4, 5 on page 241.
2. Chapter 11: Discussion Questions # 4, 9 on page 357.
3. A publisher sells books to Borders at $12 each. The marginal production cost for t
IEOR 153
Homework 5
Due 5pm 4/28/2016 Thursday in class
1. Chapter 13: Discussion Questions # 4, 5 on page 401.
2. Find the traveling salesman tours in the graphs below. For Figure 1, use the minimal
spanning tree based heuristic. For Figure 2, use the ne
IEOR 153 Spring 2015
Solutions to Homework 5
1. Discussion Question #4:Dynamic pricing allows demand to shifted
from one period to another due to changes in prices. As available
capacity decreases, it makes sense t
IEOR 153 Supply Chain Management
Spring, 2017
Prof. Leachman
Sixth Homework Assignment, Due Tuesday, April 4, 2017
Consider the Reebok NFL Jerseys case starting on page 127 of the text. Reebok sells jerseys to
retailers at a wholesale price of $24. The av
IEOR 153 Supply Chain Management
Spring, 2017
Prof. Leachman
Solutions to Sixth Homework Assignment, Due Tuesday, April 4, 2017
Consider the Reebok NFL Jerseys case starting on page 127 of the text. Reebok sells jerseys to
retailers at a wholesale price o
z
Total
mean
sigma
mean - z*sigma
1358
248 173.069258809
2525
340
900.4981774
2150
404 219.709599028
4017
556 1360.46172539
3296
1047 -1706.5100243
2383
697 -947.22873633
15729
3292 2653.73876063
z
Total
mean
sigma
mean - z*sigma
1358
248 -252.07751938
25
IEOR 153 Supply Chain Management
Spring, 2017, Prof. Leachman
Solutions to Third Homework Assignment, Due Tuesday, February 14
1. In the derivation of the economic order quantity, we traded off the costs for holding inventory
against the fixed cost of ord
Discussion Question 3
The decision that a single warehouse will be built has been made up-front. Therefore, we only
need to focus on the location and capacity of the warehouse, and determine how much space
should be allocated to each product in the wareho
IEOR 153
Homework 2
Due on 3/3/2016 Thursday in class
1. Chapter 3: Discussion Questions #3, 5, 7 on pages 108-109.
2. Consider the tree in Figure 1:
(a) Find the abolute 1-center of the tree.
(b) Find the vertex 1-center of the tree.
(c) Find the abolute
IEOR153
Homework 1 Solutions
Discussion Q1:
a) What are the components of the supply chain for the automobile?
Some of the components of the supply chain include the transportation of each raw material
to the manufacturing plant, the supplier of raw mater
WP # 04 03
Modeling Data Envelopment Analysis (DEA) Efficient Location/Allocation Decisions
Ronald K. Klimberg Haub School of Business Saint Josephs University Philadelphia, PA 19131 610-660-1625
Samuel J. Ratick The George Perkins Marsh Research Institut
IEOR 153 HW 2 Eddie Lo 19483002 1. Textbook Questions 13, 15, 16 13) There are several penalties of facing a highly variable demand. By the EOQ equation, the higher the variability in demand, the higher the safety stock levels need to be and the higher th
IEOR 153 HW 3 Eddie Lo 19483002 1. Sport Obermeyer A) The joint venture was established to coordinate production of Sport Obermeyer products in the Far East. Obersport was responsible for fabric and component sourcing for Far East production; materials we
IEOR 153 HW 6 Eddie Lo 19483002 1. max ri=1nj=1mhiyij-i=1nj=1mhidijyij s.t. j=1myij1 ; j=1mxj=P;yijxj;xj=0, 1;
yij0
all for
j=1, 2m, i=1, 2n
2. An example of an industry that needs a large warehouse is the printed book industry, where demand for a specifi
IEOR 153 HW 1 Eddie Lo 19483002 1. Textbook Questions 2) The strategies for firms to cope with huge variability in consumer demand include good forecasting methods via information systems and collaborative forecasting; perform periodic reviews of inventor
Chapter 1 #2, 3, 4, 6
Homework #1 Solution Question 2 a. 1. Marketing company that handles all the market research, telemarketing, and mass mailing to solicit customers. 2. Mortgage brokers that will take the applications of the new customers. 3. Credit r
IEOR 153
Fall 2009 Sample Midterm
Instructions: Please write your name at the top of EACH page. Notes and books
are not allowed. One hand-written sheet of paper to be turned in with the exam is
allowed. Calculators are allowed. Show work where appropriate
IEOR 153 Midterm Examination Solutions
Spring 2013, Prof. Leachman.
Closed book and notes. Calculators are allowed. Print your name and student ID number on
your test and also on any separate pages that you turn in.
1. Circle T for true or F for false or
IEOR 153
Homework 1
Due on 2/18/2016 in class
1. Chapter 1: Discussion Questions #1, 3, 4, 7 on page 17.
2. Complete Case Discussion Questions (Meditech Surgical, pp. 25) #1, 2, 3, 4.
3. Suppose customers are uniformly distributed on the beach line, as we