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Identifying Assumption. Whatever happened to the control group over time is what would have happened to the treatment group in the absence of the program.. Identifying Assumption. Whatever happened to the control group over time is what would have happened to the treatment group in the absence of th
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1. Differences-in-Differences
2. Identifying Assumption Whatever happened to the control group over time is what would have happened to the treatment group in the absence of the program.
3. Identifying Assumption Whatever happened to the control group over time is what would have happened to the treatment group in the absence of the program.