That this paydifferential between senior and junior employees bears an uncanny resemblance to the gap found in America's legitimate businesses is, of course, entirely coincidental.
After studying the large paydifferential between financial-sector employees and people in other industries with similar levels of education and experience, he and a colleague, Ariell Reshef of the University of Virginia, concluded that some of it could be explained by growing demand for financial services from technology companies and baby boomers.