• 2022-06-16
    The problem of "scarcity" applies
    A: only in industrially developed countries because resources are scarce in these countries.
    B: only in underdeveloped countries because there are few productive resources in these countries.
    C: only in economic systems that are just beginning to develop because specialized resources are scarce.
    D: to all economic systems, regardless of their level of development.
  • 举一反三