Measure whether ads create incremental orders (not cannibalize organic)
Causal inferenceHardProblem. Leadership wants to know whether the ads product creates incremental orders for the marketplace, or just moves orders merchants would have gotten organically. How do you measure it?
Before you reveal: say your answer out loud, as if you were in the real interview — get your reasoning across clearly first. There is no single correct answer: reading what the interviewer is really after and defending your own thinking is what makes an answer strong.