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"the total effect on revenues is estimated to be more than seven times the retailer’s expenditure on advertising during the study." How is this not positive RO
by cocochanel 7y ago
"the total effect on revenues is estimated to be more than seven times the retailer’s expenditure on advertising during the study."
How is this not positive ROI?
- mlthoughts2018 7y agoThe first paper explains why such estimates are deeply unreliable, even in the second paper.