Long-term Effects of India's Childhood Immunization Program on Earnings and Consumption Expenditure: Comment
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866910472251375616 |
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| author | Roodman, David |
| author_facet | Roodman, David |
| contents | Summan, Nandi, and Bloom (2023), hereafter SNB, find that exposure during infancy to India's Universal Immunization Programme (UIP) increased wages and per-capita household expenditure in early adulthood. SNB regress these outcomes on a treatment indicator that depends upon year and district of birth while controlling for age at follow-up. Because year of birth and age are nearly collinear, SNB's identifying variation does not come from the staggered introduction of the UIP, but rather from the progression of time during the follow-up period. Within the 12-month follow-up period, those interviewed later were more likely to have been treated and, on average, reported higher wages and household expenditure. Wages and household expenditure, however, rose by at least as much in a control group composed of people too old to have been exposed as infants to the UIP as in the treated group. SNB's results are best explained by inflation, economic growth, and non-random survey sequencing during the follow-up survey period. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2401_11100 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Long-term Effects of India's Childhood Immunization Program on Earnings and Consumption Expenditure: Comment Roodman, David General Economics Economics Summan, Nandi, and Bloom (2023), hereafter SNB, find that exposure during infancy to India's Universal Immunization Programme (UIP) increased wages and per-capita household expenditure in early adulthood. SNB regress these outcomes on a treatment indicator that depends upon year and district of birth while controlling for age at follow-up. Because year of birth and age are nearly collinear, SNB's identifying variation does not come from the staggered introduction of the UIP, but rather from the progression of time during the follow-up period. Within the 12-month follow-up period, those interviewed later were more likely to have been treated and, on average, reported higher wages and household expenditure. Wages and household expenditure, however, rose by at least as much in a control group composed of people too old to have been exposed as infants to the UIP as in the treated group. SNB's results are best explained by inflation, economic growth, and non-random survey sequencing during the follow-up survey period. |
| title | Long-term Effects of India's Childhood Immunization Program on Earnings and Consumption Expenditure: Comment |
| topic | General Economics Economics |
| url | https://arxiv.org/abs/2401.11100 |