Where Have All the Young Men Gone? Using Gender Ratios to Measure Fetal Death Rates

Nicholas Sanders and Charles Stoecker

No 17434, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: Fetal health is an important consideration in the formation of health-based policy. However, a complete census of true fetal deaths is impossible to obtain. We present the gender ratio of live births as an under-exploited metric of fetal health and apply it to examine the effects of air quality on fetal health. Males are more vulnerable to side effects of maternal stress in utero, and thus are more likely to suffer fetal death due to pollution exposure. We demonstrate this metric in the context of the Clean Air Act Amendments of 1970 (CAAA) which provide a source of exogenous variation in county-level ambient total suspended particulate matter (TSPs). We find that a standard deviation increase in annual average TSPs (approximately 35 μg/m³) decreases the percentage of live births that are male by 3.1 percentage points. We then explore the use of observed differences in neonatal and one-year mortality rates across genders in response to pollution exposure as a metric to estimate total fetal losses in utero. These calculations suggest the pollution reductions from the CAAA prevented approximately 21,000-134,000 fetal deaths in 1972.

JEL-codes: I12 Q51 Q53 (search for similar items in EconPapers)
Date: 2011-09
New Economics Papers: this item is included in nep-hea
Note: CH EEE EH PE
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Citations: View citations in EconPapers (76)

Published as Sanders, Nicholas J. & Stoecker, Charles, 2015. "Where have all the young men gone? Using sex ratios to measure fetal death rates," Journal of Health Economics, Elsevier, vol. 41(C), pages 30-45.

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