It’s the dark secret every woman knows: If you’re pretty, life is easier. Pretty privilege explains why the pretty girls get to be homecoming queen, class president, and girlfriends of athletes. Pretty privilege explains you spent so much time in front of the mirror (or your phone camera) as a teenager, trying to make yourself look just right. Pretty privilege explains why the Instagram accounts of hot female celebrities like Selena Gomez or Emily Ratajkowski number in the tens of millions… While the accounts of plain but inspirational women like Gloria Steinem or Malala are lucky to break a million. Beauty is bankable. And now science has proven it. Economist Daniel S. Hamermesh and colleague Jeff Biddle were the first to study the impact of attractiveness on wages. (They invented the field of pulchronomics , the economic study of beauty, in the process.) They discovered—no surprise—that attractive people do have it easier . If you’re more attractive than...