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How does the treated region differ from its synthetic control?

Use pre-validated synthetic control to assess gaps, placebos and approximate power. Declare the observation window or study design before running. The result includes denominators and leaves unidentified quantities uncomputed.

Required data: Region · date · Outcome

Conditional HAC intervals and placebo diagnostics. Spillovers or concurrent changes invalidate causal interpretation; not a GeoLift reproduction.

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Incrementality analysis
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