class5-06 - Econ 444 Wednesday October 11 class 5 Econ 444...

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Econ 444, Wednesday October 11, class 5 Econ 444, Wednesday October 11, class 5 Robert de Jong 1 1 Department of Economics Ohio State University Robert de Jong Econ 444, Wednesday October 11, class 5
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Econ 444, Wednesday October 11, class 5 Class program October 11 1 Monday October 16: hand in 2nd takehome exercise 2 Return Eviews test and 1st takehome exercise 3 Discuss today’s homework 4 Class: new material Robert de Jong Econ 444, Wednesday October 11, class 5
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Econ 444, Wednesday October 11, class 5 Computer Eviews test 1. ˆ β 0 = 0 . 5; ˆ β 1 = 0 . 5. 2. 0.107 3. 0.645; 0.833 4. 0.785900 5. 0.785934 6. above 7. yes (positive slope) 8. 0 . 012198 × 100 = 1 . 22 9. decrease 10. yes Robert de Jong Econ 444, Wednesday October 11, class 5
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Econ 444, Wednesday October 11, class 5 First takehome exercise X i Y i X i Y i X 2 i 1000 150 150000 1000000 2000 350 700000 4000000 1000 250 250000 1000000 1000 200 200000 1000000 5000 950 1300000 7000000 ˆ β 1 = n · n i = 1 X i Y i - n i = 1 X i · n i = 1 Y i n · n i = 1 X 2 i - ( n i = 1 X i ) 2 = 4 · 1300000 - 5000 · 950 4 · 7000000 - 5000 2 = 450000 3000000 = 0 . 15 ˆ β 0 = 950 4 - 0 . 15 · 5000 4 = 50 Robert de Jong Econ 444, Wednesday October 11, class 5
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Econ 444, Wednesday October 11, class 5 2. Regression line: y = 50 + 0 . 15 x ; x = 1800 y = 50 + 0 . 15 · 1800 = 320 3.
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class5-06 - Econ 444 Wednesday October 11 class 5 Econ 444...

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