Large-Scale Education Reform in General Equilibrium: Regression Discontinuity Evidence from India: Comment
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arXiv
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| Format: | Preprint |
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2023
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| _version_ | 1866914128242671616 |
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| author | Roodman, David |
| author_facet | Roodman, David |
| contents | Mainly through regression discontinuity designs, Khanna (2023a) studies the impacts of a primary schooling expansion in India in the 1990s. Absent from the data set are four districts close to the modeled treatment discontinuity. Incorporating them cuts the impact of intention to treat on schooling attainment by two-thirds and the impact on wages by a third. Methodological revisions, including clustering by the geographic unit of treatment, double or triple standard errors, bringing estimates within a standard error of zero. These findings are robust to varying the location of the discontinuity, the bandwidth, and the radius of an exclusionary "donut." The estimates of the general equilibrium effect on the skill premium, as well as elasticities of substitution across age and skill groups, have high variance. One cause is that the treatment discontinuity does not occur quite where modeled. Moving the assumed cutoff pro-duces sharper but wrong-signed results. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2303_11956 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Large-Scale Education Reform in General Equilibrium: Regression Discontinuity Evidence from India: Comment Roodman, David General Economics Economics Mainly through regression discontinuity designs, Khanna (2023a) studies the impacts of a primary schooling expansion in India in the 1990s. Absent from the data set are four districts close to the modeled treatment discontinuity. Incorporating them cuts the impact of intention to treat on schooling attainment by two-thirds and the impact on wages by a third. Methodological revisions, including clustering by the geographic unit of treatment, double or triple standard errors, bringing estimates within a standard error of zero. These findings are robust to varying the location of the discontinuity, the bandwidth, and the radius of an exclusionary "donut." The estimates of the general equilibrium effect on the skill premium, as well as elasticities of substitution across age and skill groups, have high variance. One cause is that the treatment discontinuity does not occur quite where modeled. Moving the assumed cutoff pro-duces sharper but wrong-signed results. |
| title | Large-Scale Education Reform in General Equilibrium: Regression Discontinuity Evidence from India: Comment |
| topic | General Economics Economics |
| url | https://arxiv.org/abs/2303.11956 |