Econ 100A: Fall 2015
Intermediate Microeconomics
Problem Set 2
The questions below are based on Ch. 2-5.
1. Joe Bob has a utility function given by u (x1 ; x2 ) = x2 + x2 + 2x1 x2 :
1
2
(a) Compute Joe Bob marginal rate of substitution.
s
(b) Joe Bob cous

Econ 100A: Fall 2015
Intermediate Microeconomics
Problem Set 4
The questions below are based on Ch. 10
1. Harvey Habit utility function is U (c1 ; c2 ) = min fc1 ; c2 g ; where c1 is his consumption of
s
bread in period 1 and c2 is his consumption of brea

Econ 100A: Fall 2015
Intermediate Microeconomics
Problem Set 3
The questions below are based on Ch. 5-7
1. If a consumer has a utility function u (x1 ; x2 ) = x1 x4 , what fraction of her income will
2
spend on good 2?
2. For what kind of preferences will

Econ 100A: Fall 2015
Intermediate Microeconomics
Problem Set 1
In all the problems that follow you can assume the Second Order Conditions for maximization
are satised.
1. Find the maxima of the following functions.
(a) f (x) =
x2
(b) f (x) =
ln(x) where l