Abstract
This study examines the effects of early life and in utero exposure to cold weather shocks on the incidence of growth stunting for children under age five in Tanzania. We find that an increase of 10 percentage points in the proportion of days with temperatures below 15 degrees Celsius (one standard deviation below the long-term average) is associated with an increase in the probability of stunting and severe stunting by 2.0 and 1.4 percentage points (equivalent to 5.5 and 9.7 percent of the mean stunting and severe stunting), respectively. The results also show strong effects of in utero exposure during the second trimester of pregnancy on child stunting and wasting. In terms of the mechanisms, we find that the effects on disease environment, food insecurity, and reduced agricultural productivity are the possible channels driving the results.
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