尔雅 智慧树 mooc

Whenaconsumerispurchasingthebestcombinationoftwogoods，XandY，subjecttoabudgetconstraint，wesaythattheconsumerisatanoptimalchoicepoint.Agraphofanoptimalchoicepointshowsthatitoccurs

  尔雅 智慧树 mooc


≡
+
↑
账户
更新
搜索
帮助
主页