wage or different wages (according to baseline productivity rank). For a given absolute wage, pay inequality reduces output … also lowers co-workers' ability to cooperate in their self-interest. However, when workers can clearly observe productivity …

quality. Increased night sleep had no detectable effects on cognition, productivity, decision-making, or psychological and … in Chennai have strikingly low quantity and quality of sleep relative to typical guidelines: despite spending 8 hours in … physical well-being, and led to small decreases in labor supply and thus earnings. In contrast, offering high-quality naps at …

We test whether increasing cash-on-hand raises the productivity of poor workers. Our motivation is psychological …, average productivity increases by 0.11 standard deviations (6.2%); this effect is concentrated among relatively poorer workers …