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EC205 Intermediate Mathematics for Economics
SMU Term I 2013/14 Anthony Tay
Problem Set 7
Released by 5pm Monday 11 Nov 2013
To be handed in by 5pm Friday 15 Nov 2013
Instructions for handing in problem sets: As before. There are three questions in this a
Ngee Ann Polytechnic
School of Business & Accountancy
Cost Accounting: Homework  Tutorial 1 7
Tutorial sessions are planned in the following manner:Section 1: Homework
Scheduled time: 30 minutes
Students are expected to complete their homework the night
Section 13 LHopitals Rule
Derivatives are defined using limits. Here we have an application where derivatives
are used to find limits.
13.1 LHopitals Rule for Limit at a Point
Suppose we are interested in finding
f ( x)
g ( x)
lim x a
but face the problem
Section 8
Derivatives
It is a fundamental task in many mathematical disciplines to find the rate of change of
a function f ( x) at some given point a .
In an earlier example, we were
interested in finding out the equation
of the tangent to the function g(
Section 9
Elasticities
Economic analysis frequently focuses on elasticities the percentage change in one
variable that results from a certain percentage change in another variable: price
elasticities of demand, income elasticities of demand, elasticity of
Section 17 Functions of Many Variables
17.1 General Idea and Some Definitions
We have been studying functions of one variable y f ( x) . More realistic situations
usually require modeling a variable as being determined by two or more other
variables.
The
Section 19 Chain Rule for Functions of Many Variables, and Applications
19.1 The Chain Rule
Suppose we have a function of n variables
y F ( x1 , x2 ,., xn ) ,
where each of the arguments is itself a function of m variables t1 , t2 , , tm , i.e.,
xi fi (t1
Section 26
26.1
Matrix Algebra: Definitions and Basic Operations
Definitions
Analyzing economic models often involve working with large sets of linear
equations. Matrix algebra provides a set of tools for dealing with such objects.
A matrix is a rectangul
Section 32
Properties of Determinants
From Cramers Rule, we learnt that a system of n linear equations in n unknowns
will have a unique solution only when the determinant of the coefficient matrix is not
zero. When will the determinant of a matrix be ze
Section 14
Implicit Differentiation
14.1 General Idea
Example 14.1.1 Consider the equation
y 3 3x 2 y 13
whose graph is given below. Clearly, this equation defines a function y g ( x) such
that [ g ( x)]3 3x 2 [ g ( x)] 13 for all x .
Qn: How do we find g
Observation Checklist Video Case Study (Week 3)
Instructions for Microactivity: Watch the video clip.
Describe the User Experience observed with as much information as you can, using the 9
Dimensions checklist as a guide. Detail separate User Experiences
EC205 Intermediate Mathematics for Economics
SMU Term II 2013/14 Anthony Tay
Problem Set 5
Released by 5pm Friday 18 Oct 2013
To be handed in by 5pm Friday 25 Oct 2013
Instructions for handing in problem sets: As you exit the glass elevators on the 5th fl
CM8002
FORENSIC SCIENCE
Roderick Bates and Dragoslav Vidovic
Chemistry and Biological Chemistry
School of Physical and Mathematical Sciences
Criminalistics New International Ed. Richard Saferstein
Henry Lees Crime Scene Handbook Henry C Lee (Academic Pres
Fact sheet
Unique talents of Steve Jobs
Even though Steve Jobs died on October 5, 2011 in his home, his impact lives on in the
string of tech successes that changed the world, and through his outsized influence on
the entertainment business. This fact she
BA 090R
NGEE ANN POLYTECHNIC
SCHOOL OF BUSINESS AND ACCOUNTANCY
PLAGIARISM IS AN OFFENCE!
Plagiarism means submitting the work of others as your own (or allowing
someone else to copy and submit your work as their own).
Plagiarism occurs if you copy any pa
Topic:
The Creative Process
Activity Title: Creativity Triggers
Scamper
Objective:
To get students to think of combining ideas and improvising on use to generate new
creative ideas.
Materials:
Students own personal belonging
1.
2.
Students are divided int
FFF
ECON 102  Intermediate Macroeconomics
Part 6  Business Cycles
Part 6.3  Policy
prepared by Nicolas L. Jacquet
FFF
ECON 102
Business Cycles: Policy
Introduction
! Should governments act to smooth out business cycle uctuations?
! In particular, shoul
FFF
ECON 102  Intermediate Macroeconomics
Part 3  The Labor Market
Prepared by Nicolas L. Jacquet
FFF
ECON 102
The Labor Market
Introduction
! Where are we in our building of (micro)foundations for our complete model
of the Macroeconomy?
! Y s = zF (K;
EC205 Intermediate Mathematics for Economics
SMU Term 1 2013/14 Anthony Tay
Problem Set
Released by 5pm Friday 4 Oct 2013
To be handed in by 5pm Friday 18 Oct 2013
Instructions for handing in problem sets: As you exit the glass elevators on the 5th floor
Section 2
Systems of Equations
We noted earlier that solving economic models often requires solving systems of
equations. Here we discuss solving systems of linear equations, meaning that the
equations take the form a1 x1 a2 x2 . an xn c .
2.1 System of L
The Lee Kong Chian School of Business
Master of Science in Applied Finance
Academic Year 201617
Term 1
COURSE CODE & COURSE TITLE:
Instructor Name
Email
ECON 676 ECONOMIC ANALYSIS
: Wong Fot Chyi
: fcwong@smu.edu.sg
COURSE DESCRIPTION
This is an intensiv
Quiz for Econ 107
True or false.
Topic 6
1. In the regression model Y = 0 +
with a change in Y of 0.01 1 :
1
ln X + u;
1
indicates that 1% change of X is associated
2. If one worries about the misspecication of functional form, one can consider applying t
Topic 12
Open Economy Macroeconomics
Reference: Chapter 31
Mar 25, 2015
Topic 12 Open Economy
1
Aims
To explain:
The international flows of goods and capital
Purchasing power parity
Mar 25, 2015
Topic 12 Open Economy
2
THE INTERNATIONAL FLOW OF GOODS
AN
Topic 9
Money, the Price Level and
Inflation
Reference: Chapters 29
Mar 25, 2015
Topic 9 Money, Price level and
Inflation
1
Aims
To understand:
The meaning of money
The central banking system
Banks and the money supply
Mar 25, 2015
Topic 9 Money, Price le
AB0901
PRINCIPLES OF ECONOMICS: A SINGAPORE PERSPECTIVE
Academic Year
:
2014 2015
Course Coordinator
:
Dr Siang Ng
Prerequisites
:
Nil
No. of Aus
:
Semester:
1
3
Course Description and Scope
This course aims to provide a basic understanding of Economics.
Tutorial 2: Review
3 questions were included in this homework.
a) Ex 212: 2 parts to this question.
i. Determine the cost at monthend for 3 inventory accounts; COGS & Selling expense
Data was given in the case study. Most students were able to work out
Dear Students
Thank you for your enthusiastic participation at our first tutorial.
Many questions were raised and discussed.
Keep your questions coming because through questions, we learn.
A question that we may not have adequately addressed is this:
Why
Choose one of the essay prompts below and respond to it. In your essay you should identify the
moral issues involved in your arguments and illustrate them by referring to what you have
learned in the course.
1. Suppose that you know your father has robbed
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LESSON #01
DEMAND, SUPPLY AND THE MARKET
WONG FOT CHYI
ECON617 ECONOMIC ANALYSIS
WONG FOT CHYI
Lecture Outline
Demand
Supply
Factors that change quantity supplied and supply
The supply function
Market equilibrium
Elasticities of Demand and Supply
Factors
A PRIMER ON GRAPHS
IN ECONOMICS
WONG FOT CHYI
ADJUNCT PROFESSOR, SINGAPORE MANAGEMENT UNIVERSITY
WONG FOT CHYI
Lesson Outline
Graphing Data
TimeSeries Graphs
CrossSection Graphs
Scatter Diagrams
Graphs Used in Economic Models
Variables That Move in th