According to the National bureau of Economic Research, what is the effect of increasing the per-pupil spending per year for poor children by 20%? It can boost self-esteem in these children who have been told through the hidden curriculum that they are worth less. This increase in self-esteem will help them feel more confident in the classroom, allowing them to learn more. There is no correlation between per-pupil spending and educational outcomes. Increased spending allows teachers to invest more time in their curriculum development instead of focusing on their financial troubles. It can lead to an additional year of completed education, 25 percent higher earnings, and a 20-percentage point reduction in the incidence of poverty in adulthood