How much should we trust differences-in-differences estimates?
Marianne Bertrand, Esther Duflo, Sendhil Mullainathan
Bok Engelsk 2002
Utgitt | Cambridge, Mass. : National Bureau of Economic Research , 2002
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Omfang | 25, [12] s.
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Utgitt | Cambridge, Mass. : National Bureau of Economic Research , 2002
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---|---|
Omfang | 25, [12] s.
|