U.S. companies are helping spread fair hiring practices across the world as they set up shop in developing nations, according to a new study of gender and age discrimination co-written by a University of Illinois labor expert.

A new study published in Annals of the New York Academy of Sciences finds that the attractiveness of interviewees can significantly bias outcome in hiring practices, showing a clear distinction between the attractive and average looking interviewees in terms of high and low status job packages offered.