The Triple Difference Estimator
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- Discussion papers (FOR) 
Triple difference has become a widely used estimator in empirical work. A close reading of articles in top economics journals reveals that the use of the estimator to a large extent rests on intuition. The identifying assumptions are neither formally derived nor generally agreed on. We give a complete presentation of the triple difference estimator, and show that even though the estimator can be computed as the difference between two difference-in-differences estimators, it does not require two parallel trend assumptions to have a causal interpretation. The reason is that the difference between two biased difference-in-differences estimators will be unbiased as long as the bias is the same in both estimators. This requires only one parallel trend assumption to hold.
Viser innførsler beslektet ved tittel, forfatter og emneord.
Different contexts, different "stories"? A linguistic comparison of two development reports on climate change Fløttum, Kjersti; Dahl, Trine (Journal article; Peer reviewed, 2012)This paper describes some linguistic features related to the textual interaction taking place between different voices in two development reports focusing on climate change chal- lenges, and discuss how these features ...
Addressing gender differences in green consumption : does communication of effectiveness make a difference? Jerndahl, Siri Rygh; Næss, Synne Helletun (Master thesis, 2018)Purpose: Existing literature has established that, to consumers, there are several drivers and barriers behind the adoption of environmentally friendly products. We explore gender differences in perceived environmental ...
Poverty alleviation and deforestation in Brazil: empirical evidence from the Bolsa Escola/familia program : a difference-in-difference analysis of how increased income affects deforestation in brazilian municipalities Rønningstad, Sara Helene; Jelsness, Tone Sylvia (Master thesis, 2020)In this thesis we estimate the effect of poverty alleviation on local deforestation in Brazil. We identify impacts of increased income among low-income families by studying the world’s largest conditional cash transfer ...