chap04 - CHAPTER 4 Exercise Answers EXERCISE 4.1 (a) (b)...

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16 CHAPTER 4 Exercise Answers EXERCISE 4.1 (a) 2 0.71051 R (b) 2 0.8455 R (c) 2 ˆ 6.4104  EXERCISE 4.2 (a) ˆ 5.83 17.38 (1.23) (2.34) yx  where 20 x x (b) ˆ 0.1166 0.01738 (0.0246) (0.00234) ˆ ˆ where 50 y y (c) ˆ 0.2915 0.869 (0.0615) (0.117)  ˆ ˆ where and 20 20 y x  EXERCISE 4.9 (a) Equation 1: 0 ˆ 0.69538 0.015025 48 1.417 y 0 (0.975,45) ˆ ( ) 1.4166 2.0141 0.25293 (0.907,1.926) yt s e f  Equation 2: 0 ˆ 0.56231 0.16961 ln(48) 1.219 y  0 (0.975,45) ˆ ( ) 1.2189 2.0141 0.28787 (0.639,1.799) s e f Equation 3: 2 0 ˆ 0.79945 0.000337543 (48) 1.577 y 0 (0.975,45) ˆ ( ) 1.577145 2.0141 0.234544 (1.105, 2.050) s e f The actual yield in Chapman was 1.844.
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Chapter 4, Exercise Answers, Principles of Econometrics, 4e 17 Exercise 4.9 (continued) (b) Equation 1: 0.0150 t dy dt Equation 2: 0.0035 t dy dt Equation 3: 0.0324 t dy dt (c) Equation 1: 0.509 t t dy t dt y Equation 2: 0.139 t t dy t dt y Equation 3: 0.986 t t dy t dt y (d) The slopes dy dt and the elasticities     dy dt t y give the marginal change in yield and the percentage change in yield, respectively, that can be expected from technological change in the next year. The results show that the predicted effect of technological change is very sensitive to the choice of functional form. EXERCISE 4.11 (a) The estimated regression model for the years 1916 to 2008 is:  2 50.8484 0.8859 0.5189 (se) 1.0125 0.1819 VOTE GROWTH R  2008 51.043 VOTE 2008 2008 4.443 VOTE
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This note was uploaded on 03/18/2011 for the course ECON 101 taught by Professor Leif during the Winter '10 term at Accreditation Commission for Acupuncture and Oriental Medicine.

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chap04 - CHAPTER 4 Exercise Answers EXERCISE 4.1 (a) (b)...

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