Macro & Micro economics
Project description
answer all the questions in hw2.pdf. use the materials of this textbook: Microeconomics: Theory and Applications, with Calculus, by Jeffrey M Perloff, 3rd Ed. to answer the questions.
ECON 104A
Winter 2016
Homework 2
(Due on Tuesday, January 2016, at the beginning of class)
Q1. Consider the following utility functions
(a) u(q1, q2)= (q1)2/5(q2)3/5
(b) u(q1, q2)= 5q1+2q2
(c) u(q1, q2)=min{3q1, 2q2}
(d) u(q1, q2)=(q1)1/2+ q2
For (a), (b), (c), (d) do the following
(i)Draw an indifference map (draw the general shape of the IC, draw multiple ICs
and show the direction of increase of utility).
For (a), (b) and (d), do the following
(ii) Calculate marginal utilities for good 1 and good 2. Are these marginal utilities
increasing?
(iii) Calculate MRS. Verify whether or not the absolute value of the MRS
decreases as we move down the IC.
For (a), (b), (c), (d)
(iv) Derive demand functions for goods 1 and 2 (solve for optimal q1 and q2).
Q2. Consider the equation of the budget line
p1q1 +p2q2 =Y
(a) Draw the budget set, and label the intercepts with the values. What is the
slope of the budget line?
(b) What happens to the budget line if p1 goes up while p2 and Y remain
unchanged? Show it on the graph.
Q3. Draw the indifference curve for someone who have complete and transitive
preferences, but one good is a ‘good’ (more is better), but the other one is ‘neutral’ (
the consumer does not care how much of it she has, it does not effect her utility).
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