If you think about the people in your life, it's likely that they share a lot in common with you. Maybe they like the same kinds of food, or enjoy the same hobbies. But, if you dig a little deeper, you may find that they share much more: they might make the same amount of money as you, or share the same race. This week, we talk with economists Luigi Pistaferri and Matthew Jackson about why we often surround ourselves with people who are just like us — and how we can transform our lives by pushing back against this phenomenon.
