Midterm 2 Sample 1 Answers

Midterm 2 Sample 1 Answers - PRINCIPLES OF MICROECONOMICS...

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PRINCIPLES OF MICROECONOMICS Midterm Exam #2: Sample #1 Answers Duration: 2 Hours Non-programmable calculators only Answer all questions on this test paper INSTRUCTIONS: This examination consists of TWO PARTS for a total of 100 marks Part I 4 analytic/graphical questions for a total of 40% Part II 5 multiple choice questions worth 2 marks each for a total of 10%. Wrong answers will not be deducted from right in grading Part II. All questions are to be answered in the spaces provided in this question paper booklet Do not remove any pages or add any pages. No additional paper is supplied. The blank backs of pages may be used for rough work. Show your work where applicable. YOU MUST USE PEN INSTEAD OF PENCIL TO BE ELIGIBLE FOR REMARKING Print your name and student number clearly on the front of the exam and on any loose pages. Student Name: _______________________________________________________ (Family Name) (Given Name) Student Number : ___________________________________ There are 7 pages to the exam. - 1/7 -
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Principles of Microeconomics: Midterm Test #2, Sample #1 Answers Part I Place your answers (and work where necessary) in the space provided. Clearly label all axes, curves, and points. 1. Incidence of a Tax: Equations (10 marks) Suppose that the Demand and Supply equations for Radial Tires, a competitive market, are P = 350 – 0.032Q and P = 90 + 0.048Q (Q is in tires and P is in $s) a) What is competitive equilibrium? (2 marks) 1 mark: Q = 3,250 from something like 350 – 0.032 = 90 + 0.048Q 1 mark: P = 246 from either P = 350 – 0.032*3250 or P = 90 + 0.048*3250 b) Suppose that the government now imposes a pollution tax of $20 per tire to be collected by the sellers. What is the new equilibrium price and quantity after the tax (in the short-run)? (3 marks) 1 mark: recognition that the new supply functions is P = 110 + 0.048Q 1 mark: Q = 3000 from something like 350 – 0.032 = 110 + 0.048Q 1 mark: P = 254 from either P = 350 – 0.032*3000 or P = 110 + 0.048*3000 c) What is the the Sellers’ Price after the tax is paid? (1 mark) 1 mark: Sellers’ Price = 234 from something like 254 – 20 d) What is the Sellers’ Share of the tax per tire? (1 mark) 1 mark: Sellers’ Share = 12 from something like 246 – 234 or 20 – 8 e) Calculate the Buyers’ Share of the tax without solving the equations. Show your work. (1 mark) 1 mark: Buyers Share = 20* 0.036/(0.036 + 0.048) [Must have something like this] f) Calculate the tax revenue of the government from the $20 tax per tire. 1 mark: Tax = 60,000
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This note was uploaded on 09/30/2011 for the course ECON 1000 taught by Professor Paschakis during the Spring '08 term at York University.

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Midterm 2 Sample 1 Answers - PRINCIPLES OF MICROECONOMICS...

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