Researchers have long been interested in understanding why a Strong relationship between family income and educational attainment exists at virtually all levels of schooling. In part due to a recent increase in the disparity between the wages of college graduates and the wages of individuals...

Unique new data from a college with a mandatory work-study program are used to examine the relationship between working during school and academic performance. Particular attention is paid to the importance of biases that are potentially present because the number of hours that are worked is...