1
Department of Economics, HKUST
ECON 198
MICROECONOMIC THEORY I
Semester: Spring 2007
Prof. S. F. Leung
Final Examination
May 22, 2007
8:30 am – 11:30 am
This is a closed book examination. You have 180 minutes to complete the test. Write coherently,
lucidly, and legibly. Always explain your answer
. The maximum score for this exam is 180
points. Points are marked next to the questions (the numbers in brackets refer to the points for
each subquestion) and may be served as a rough guide to how much time you should allocate on
each question. Points will be deducted for irrelevant materials. Use mathematics and/or diagrams
wherever appropriate to support your answer.
This examination contains
11
questions.
You may find the following formulas useful:
1
n
n
dy
dy
ny
dx
dx
−
=
,
where
n
is a constant.
ln( )
1
d
y
dy
dx
y dx
=
,
y >
0.

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