Developmental disabilities are not rare among U.S. children and rates have been increasing in recent decades. The increases have been driven by cognitive and behavioral disorders. While some studies have investigated the effects of specific childhood conditions, particularly ADHD, on adult...

Schooling may build human capital not only by teaching academic skills, but by expanding the capacity for cognition itself. We focus specifically on cognitive endurance: the ability to sustain effortful mental activity over a continuous stretch of time. As motivation, we document that globally...

Recent research concludes that wage returns to cognitive skills have declined in the U.S. We reassess this finding. Using decomposition methods, we document the pivotal role played by dynamic shifts in the distributions of pre-labor market cognitive skills. Our findings show these shifts explain...

Understanding cognitive health, its decline, and the investments that shape its age profile in later life are important in an aging society, and yet, estimating the cognitive health production function is complicated by non-random mortality and sample attrition. I study this dynamic selection...

Is the pricing of sovereign risk linear during bearish episodes? Or can initial shocks on economic fundamentals be exacerbated by endogenous factors that create nonlinearities? We test for nonlinearities in the sovereign bond market of European peripheral countries during the debt crisis and...