
Introduction to Econometrics 3rd Edition by James Stock, Mark Watson
النسخة 3الرقم المعياري الدولي: 978-9352863501
Introduction to Econometrics 3rd Edition by James Stock, Mark Watson
النسخة 3الرقم المعياري الدولي: 978-9352863501 تمرين 2
In the study of cigarette demand in this chapter, suppose that we used as an instrument the number of trees per capita in the state. Is this instrument relevant Is it exogenous Is it a valid instrument
التوضيح
A valid instrumental variable is a varia...
Introduction to Econometrics 3rd Edition by James Stock, Mark Watson
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