You can't cleanly randomize a pricing launch — how do you measure it?

Causal inferenceHard

Problem. Airbnb ships a pricing-guidance improvement, but for business reasons it rolls out to all hosts in a region at once, with no randomized holdout. Leadership wants its causal impact on bookings and host earnings. 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.

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