9.11 Read the box The Demand for Economics Journals in Section 8.3. Discuss the internal and external

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9.11 Read the box “The Demand for Economics Journals” in Section 8.3. Discuss the internal and external validity of the estimated effect of price per citation on subscriptions.

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Introduction To Econometrics

ISBN: 9781292071367

3rd Global Edition

Authors: James Stock, Mark Watson

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