However, the research wasn't always as conclusive: a 1999 study by Rand, Cornell, and Brigham Young University indicated that Ivy League graduates earned as much as 39% more than those who went to second-tier schools. However, on the flipside, Princeton professor and economist Alan Krueger and his fellow researcher Stacy Berg Dale released a study the same year with seemingly opposite findings. They found that when a student performed high enough to enter an Ivy League school but instead went to a second-tier school, they earned just as much money as their Ivy League counterparts. This study was released again in 2007 with updated data and it came to the same conclusion as the original study.