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the effect of sports activity on health. OLS models show that sports activity significantly decreases overweight, sleeping … satisfaction. Because sports activity is likely to be misreported and correlated with unobserved determinants of health, we use the … number of sports facilities within 6 miles of the individual's residence as an instrument for sports activity. Although the …
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We study the relationship between physical activity as a direct measure of effort and productivity. First, we evaluate the association of agricultural workers' physical activity with their daily productivity, which is directly observed from company personnel piece-rate payment records, and find...
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