Econ 104 PS6 Solutions(1)

Econ 104 PS6 Solutions(1) - Economics 104 PS6 Solutions...

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Unformatted text preview: Economics 104 PS6 Solutions Molin Zhong November 16, 2011 1 Problem 8.10 1.1 Part A y = + 1 ( x 1 + x 1 )+ 2 x 2 + 3 ( x 1 + x 1 ) x 2- ( + 1 x 1 + 2 x 2 + 3 x 1 x 2 ) y = 1 x 1 + 3 x 1 x 2 y x 1 = 1 + 3 x 2 1.2 Part B y = + 1 x 1 + 2 ( x 2 + x 2 )+ 3 ( x 1 ( x 2 + x 2 ))- ( + 1 x 1 + 2 x 2 + 3 x 1 x 2 ) = 2 x 2 + 3 x 1 x 2 y x 2 = 2 + 3 x 1 1.3 Part C y = + 1 ( x 1 + x 1 )+ 2 ( x 2 + x 2 )+ 3 (( x 1 + x 1 )( x 2 + x 2 ))- ( + 1 x 1 + 2 x 2 + 3 x 1 x 2 ) = ( 1 + 3 x 2 ) x 1 + ( 2 + 3 x 1 ) x 2 + 3 x 1 x 2 2 Problem E8.2 2.1 Part A Here is the output from the regression: 1 2.2 Part B Here is the output from the regression: Because the t-statistics are not significant at the 95 % level for age squared, there is no evidence that age has any nonlinear effect on beauty when controlling for other factors. Taking an F-test jointly testing age and age squared beingfor other factors....
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This note was uploaded on 02/29/2012 for the course GG 101 taught by Professor Gg during the Spring '12 term at UPenn.

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Econ 104 PS6 Solutions(1) - Economics 104 PS6 Solutions...

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