ps1_sols - ECO375: Suggested Solutions for Problem Set 1...

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Unformatted text preview: ECO375: Suggested Solutions for Problem Set 1 September 27, 2009 NOTE This assigment was marked out of 5 (since it counts for 5% of your grade). Question 2.10 was worth 2 marks (0.4 mark for each part). All other questions were worth 1 mark each. About 75% of the class scored 4.0 or above, so if your mark was lower than this, it might be a good idea to review chapters 1 and 2. If you wish to have your homework re-marked, you should submit a written request (providing details of what you think is incorrect) along with your assignment to me (Rebecca, the TA: I have a mail slot in the basement of the economics department, Max Gluskin House) before October 9. Please note that your entire assignment will be re-marked, implying that your mark can either increase or decrease. If you have not yet acquired STATA or some other statistical software, you should do so as soon as possible. A sample STATA do- le has been posted for the computer exercises. Some words (e.g., signi cant, e cient, endogeniety, instrumental variable) have very speci c meanings in statistics/econometrics. If you are not exactly sure what they mean, you should avoid using them (or nd of out their exact meanings). Also, percentage and percentage point di erences are not the same thing. Please try to read over your answers to make sure that your sentences make grammatical sense before submitting your assignment. 1 2.4 (i) The predicted birth weight when cigs = 0 is 119 . 77- . 514(0) = 119 . 77 The predicted birth weight when cigs = 20 is 119 . 77- . 514(20) = 109 . 49 This is a drop of about 8.6%....
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This note was uploaded on 10/16/2009 for the course ECON ECO375 taught by Professor Junichisuzuki during the Fall '09 term at University of Toronto- Toronto.

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ps1_sols - ECO375: Suggested Solutions for Problem Set 1...

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