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How do changes in the supply of fast food restaurants affect obesity?CitarAmong ninth graders, a fast food restaurant within 0.1 miles of a school results in a 5.2 percent increase in obesity rates.Among pregnant women, a fast-food restaurant within 0.5 miles of residence results in a 1.6 percent increase in the probability of gaining over 20 kilos.The implied effects on caloric intake are one order of magnitude larger for children than for mothers, consistent with smaller travel cost for adults.Non-fast food restaurants and future fast-food restaurants are uncorrelated with weight outcomes.A new paper in AEJ Policy, by Janet Currie, Stefano Della Vigna, Enrico Moretti and Vikram Pathania. Ungated version here.
Among ninth graders, a fast food restaurant within 0.1 miles of a school results in a 5.2 percent increase in obesity rates.Among pregnant women, a fast-food restaurant within 0.5 miles of residence results in a 1.6 percent increase in the probability of gaining over 20 kilos.The implied effects on caloric intake are one order of magnitude larger for children than for mothers, consistent with smaller travel cost for adults.Non-fast food restaurants and future fast-food restaurants are uncorrelated with weight outcomes.