you are interested in the effect of personal computer ownership on high school GPA GPA, a 8 PC, E where GPA, high school GPA of kid i PC 1 if kid owns personal computer (a) Explain why might the effect of PC be confounded with parents' annual salary (b) Suppose that a year ago the government gave ...

a The effect of personal computer ownership may be confounded with parents annual salary because hig ...

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Introductory Econometrics A Modern Approach

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