Utility function when goods are perfect complements

Summary

  • Perfect complements with consumption in pairs: u(x1,x2)=min{x1,x2}u(x1,x2)=min{x1,x2}
  • Perfect complements generally: u(x1,x2)=min{ax1,bx2}u(x1,x2)=min{ax1,bx2}