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Identification of Causal Intensive Margin Effects by Difference-in-Difference Methods
- Source :
- Economics Working Paper Series, 18/302
- Publication Year :
- 2018
- Publisher :
- Center of Economic Research (CER), ETH Zurich, 2018.
-
Abstract
- This paper discusses identification of causal intensive margin effects. The causal intensive margin effect is defined as the treatment effect on the outcome of individuals with a positive outcome irrespective of whether they are treated or not (always-takers or participants). A potential selection problem arises when conditioning on positive outcomes, even if treatment is randomly assigned. We propose to use difference-in-difference methods - conditional on positive outcomes - to esti- mate causal intensive margin effects. We derive sufficient conditions under which the difference-in-difference methods identify the causal intensive margin effect in a setting with random treatment.<br />Economics Working Paper Series, 18/302
Details
- Language :
- English
- Database :
- OpenAIRE
- Journal :
- Economics Working Paper Series, 18/302
- Accession number :
- edsair.doi.dedup.....4dc79c8edddecb2f041a2c31f082a483