ECS2606
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,UNIVERSITY EXAMINATIONS
May/June 2023
ECS2606
Environmental Economics
100 Marks
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Duration: 2 Hours
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First Examiner: Dr I. Maloma
Second Examiner: Ms. L. Nesongozhe
CONFIDENTIAL
This paper consists of 5 pages.
Instructions:
1. Submit your answers as a single document in PDF format. It is preferable for you to
type your answers (Font: Arial 12) and then convert your document to PDF format for
submission. However, if this is not possible, you may also write your answers down
and scan them to a PDF file. Please write legibly.
2. Start with a cover page stating the module code, ECS2606, and your student
number.
3. Make sure that each question is clearly numbered.
4. While you are not required to cite your sources, this does not mean that you can simply
copy information from any source. You need to answer the questions in your own
words. Plagiarism will not be tolerated and may result in disciplinary action if detected.
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7. Submit your answers in one PDF document by using the Assessment Info tool on
myUnisa.
, Page 2 of 5 ECS2606
CONFIDENTIAL May/Jun 2023
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, Page 3 of 5 ECS2606
CONFIDENTIAL May/Jun 2023
Section A (50 marks)
Answer ALL the Questions
Question 1
1. Positive economics is the study of _____________.
(a) what will be
(b) what is
(c) beneficial economic outcomes
(d) economic outcomes that are most likely [2]
2. ___________ would include a study of what the economic penalties for water
pollution should be.
(a) Normative economics
(b) Legal economics
(c) Judicial economics
(d) Market economics
[2]
3. An accidental oil spill is an example of a(n) ________ emission while municipal
treated wastewater is an example of a(n) ________ emission.
(a) continuous; episodic
(b) global; local
(c) point source; nonpoint source
(d) episodic; continuous [2]
Refer to the Table below and answer the question that follows:
Production Plant A Plant B
Level Marginal Cost Marginal Cost
(Widgets/Week)
0 R -- R --
20 R7.50 R4.50
38 R9.00 R4.00
50 R12.00 R8.00
62 R18.00 R9.00
80 R26.00 R12.00
100 R36.00 R15.00
