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Suppose Apple runs a nationwide US campaign promoting Apple TV+. If they had panel data on sales in the US that covers the time period
Suppose Apple runs a nationwide US campaign promoting Apple TV+. If they had panel data on sales in the US that covers the time period before and after the ads started, the effects of this campaign would be controlled for by: A. Entity fixed effects. B. A time variable (or dummy variables for time). C. None of the above
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Macroeconomics
Authors: Charles I. Jones
3rd edition
978-0393123944, 393123944, 393923908, 978-0393923902
