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...

This paper investigates an alternative proxy for individual worker productivity in physical work settings: a direct measure of physical activity using an accelerometer. First, the paper compares worker labor outcomes, such as labor supply and daily productivity obtained from firm personnel data,...

This paper investigates an alternative proxy for individual worker productivity in physical work settings: a direct measure of physical activity using an accelerometer. First, the paper compares worker labor outcomes, such as labor supply and daily productivity obtained from firm personnel data,...