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Scott Staring's avatar

This is very helpful! It would be great if you could link to Cochrane's study.

Rosalind 🍁's avatar

Thank you for that very clear explanation. I think I got it. So gross revenue = item price x number of items sold. Gross revenue - total costs = net revenue = profit. So the sharp dip in mark up in 2020, in something like gas for vehicles, is also caused by people not driving much during lockdown? Then the sharp rise in mark-up in 2021 to previous levels is a sales-correction plus the greed factor as you describe? Is the mark-up formula a useful measure because it factors out the effect of inflation upon inflation?

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