biān​jì​xiào​yòng

marginal utility

biān​jì​xiào​yòng marginal utility

  1. marginal
    (economics) relating to the costs or benefits of producing or buying one additional unit
  2. utility
    (economics) the satisfaction or value that a consumer derives from a good or service

biān​jì​xiào​yòng edge effect

  1. limit
    limit; boundary; margin; the extremity of things
  2. usefulness
    usefulness or effectiveness; the function and result of something