Estimate price elasticity without a price experiment

Causal inferenceHard

Problem. You need the price elasticity of a device (how demand responds to price) to inform the forecast and pricing, but you can't randomly charge customers different prices. How do you estimate 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.

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