ECON 2100
Fall 2011
Midterm Exam
This is a closed book exam. Please read the entire exam before starting. You have 75 minutes to answer ALL
three questions. If the exam feels too long do not worry, everybody feels the same.
Question 1
Suppose % denote a c
ECON 2100: Advanced microeconomic theory I
Midterm exam - suggested solutions
Prepared by David Klinowski
October 14, 2011
Question 1
Suppose denotes a consumers preferences over consumption bundles in Rn .
+
1.
Give a formal denition for what it means fo
ECON 2100: Advanced microeconomic theory I
Midterm exam - suggested solutions
Prepared by David Klinowski
October 14, 2011
Question 1
Suppose denotes a consumers preferences over consumption bundles in Rn .
+
1.
Give a formal denition for what it means fo
ECON 2100
Fall 2010
Midterm Exam
This is a closed book exam. Please read the entire exam before starting. You have 75
minutes to answer all three questions. If the exam feels too long do not worry, everybody
feels the same.
Question 1.
An individuals tast
Recitation 1
Econ 2100 MicroEconomics
Evan Piermont
August 30, 2012
Notation
BWOC - By way of contradiction
WLOG - Without loss of generality
() - Proves the if statement of a proposition
() - Proves the only if statement of a proposition
s.t - Such that
ECON 2100
Fall 2011
Midterm Exam
This is a closed book exam. Please read the entire exam before starting. You have 75 minutes to answer ALL
three questions. If the exam feels too long do not worry, everybody feels the same.
Question 1
Suppose % denote a c
ECON 2100
Fall 2010
Midterm Exam
This is a closed book exam. Please read the entire exam before starting. You have 75
minutes to answer all three questions. If the exam feels too long do not worry, everybody
feels the same.
Question 1.
An individuals tast
Walrasian Demand
Econ 2100, Fall 2012
Lecture 5, 11 September
Outline
1
Walrasian Demand
2
Properties of Walrasian Demand
3
An Optimization Recipe
4
First and Second Order Conditions
Walrasian Demand
The consumer can use her non negative income to purchas
Properties of Utility Functions
Econ 2100, Fall 2012
Lecture 4, 6 September
Outline
1
Structural Properties of Utility Functions
1
2
3
Monotonicity
Convexity
Quasi-linearity
From Last Class
Utility Representation
Theorem (Debreu)
Suppose X Rn . The binary
Econ 2100 Final Exam
Luca Rigotti
14 December 2011
Instructions.
This is a closed book exam. Please read the entire exam before starting. You have 180 minutes to answer all
FIVE questions. If the exam feels too long do not worry, everybody feels the same.
ECON2100
Luca Rigotti
2010 Final Exam
This is a closed book exam. Please read the entire exam before starting. You have 180
minutes to answer all SIX questions. If the exam feels too long do not worry, everybody
feels the same.
Question 1. An individual h