Lecture Notes in Microeconomics
Lecturer: Adrien Vigier, University of Oslo
Fall 2012
1
Foreword
The aim of these notes is to provide a concise introduction to microeconomic modeling at the
advanced undergraduate level. No nal year undergraduate student i
University of Oslo
Department of Economics
Exam: ECON3200/4200 Microeconomics and game theory
Date of exam: Thursday, November 29, 2012
Duration: 3 hours
The problem set covers 3 pages
Resources allowed: No resources allowed
The grades given: A-F, with A
Sketch of Answers to Seminar 5
Notes by Rasmus Bgh Holmen, Menon Business Economics
In relation to the course ECON3200/ECON4200 at the University of Oslo
Autumn 2012
Question 1
(Screening and signaling)
Suppose that nature selects
with probability and
2 i
.
Question 1
.
Consider a world with two goods, good 1 and good 2. Let xi denote the number of units of
good i consumed by a consumer with the following preferences: he always prefers consuming
a total of at least 10 units to consuming a total of less tha
Problems for the ninth seminar:
Incomplete information in static games
ECON3200 Microeconomics and game theory Fall semester 2012
Solutions to the problems will be presented 14 November 2012.
16
Problem 1 (Strict dominance and best response)
Consider the
Problems for the tenth seminar:
Incomplete information in dynamic games
ECON3200 Microeconomics and game theory Fall semester 2012
Solutions to the problems will be presented 21 November 2012.
23
Problem 1 (Screening and signaling)
Consider again the stra
Problems for the sixth seminar: Static games
ECON3200 Microeconomics and game theory Fall semester 2012
Solutions to the problems will be presented 24 October 2012.
26
Problem 1 (Best response sets)
Watson Exercise 6.4
Problem 2 (Rationalizability)
Watson
Problems for the seventh seminar: Dynamic games
ECON3200 Microeconomics and game theory Fall semester 2012
Solutions to the problems will be presented 31 October 2 November 2012.
Problem 1 (Backward induction)
Watson Exercise 15.1
Problem 2 (Subgame-perfe
Problems for the eighth seminar: Applications of dynamic games
ECON3200 Microeconomics and game theory Fall semester 2012
Solutions to the problems will be presented 7 November 2012.
9
Problem 1 (Rotten kid theorem
)
A child action a (a number) aects both