Essay about econ3208 midsem 2011

2457 Words Apr 1st, 2014 10 Pages
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THE UNIVERSITY OF NEW SOUTH WALES
SCHOOL OF ECONOMICS
ECON 3208/3291
ECONOMETRIC METHODS
Mid-term exam
SEMESTER 2, 2011
STUDENT NAME: ______________________________________________
STUDENT NUMBER:____________________________________________
TUTORIAL (DAY AND TIME):______________________________________
1. TIME ALLOWED – 1 hour
2. READING TIME – 5 minutes
3. THIS EXAMINATION PAPER HAS 12 PAGES
4. INSTRUCTIONS: ANSWER ALL QUESTIONS ON THE EXAM PAPER.
5. THE MID-TERM EXAM IS WORTH 20% OF THE SEMESTER GRADE.
6. ALL ANSWERS MUST BE WRITTEN IN INK. EXCEPT WHERE THEY ARE EXPRESSLY REQUIRED,
PENCILS MAY BE USED ONLY FOR DRAWING, SKETCHING OR GRAPHICAL WORK

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SPECIAL INSTRUCTIONS
8. CANDIDATES MAY USE CALCULATORS

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You find the following estimates:

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Indexi = 0.053 - 0.095 Fi + 0.020 PHDi + 0.007 FPHDi + 0.0015 TENi
(0.002) (0.011) (0.009) (0.003) (0.0005) where the standard errors are denoted in parenthesis. You want to test
H0: tenure has no effect on the probability of earning >$500,000 per annum versus
H1: tenure has a positive effect on the probability of earning >$500,000 per annum.
You will use a 5% level of significance to conduct this test. You get an asymptotic t-stat equal to
3.0. Using the tables provided at the end of the exam, choose one of the following as an appropriate critical value to conduct this test:
a. 1.662
b. 1.645
c. 1.987
d. 1.960
e. 5.0239

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9. Refer to the model and estimates in the previous question. Ceteris paribus, according to these estimates (and ignoring statistical significance):
a. Women without PHDs have a higher probability of earning >$500,000 than men without
PHDs.
b. Men with PHDs have a lower probability of earning >$500,000 than men without PHDs.
c. Women with PHDs have higher probability of earning >$500,000 than women without PHDs.
d. Women with PHDs have higher probability of earning >$500,000 than men with PHDs.

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10. Refer to the model and estimates in the previous question. You want to test that

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