Example 1

  • Suppose some spot in subsidized housing two people have equal claim to
  • No way to satisfy Ex-post Fairness as the outcomes cant be fair
  • We satisfy Ex-ante Fairness with a coinflip

Example 2

  • Bank limited # of loans, give loans only to most trustworthy people
  • Ex-post Fairness outcomes are fair
  • Ex-ante Fairness, some people like refugees dont have credit history