関連ワード:  explain the basic economic problem    explain the basic economic problems of the society    explain the basic economic problem of scarcity    explain the basic economic problem of relative scarcity    explain the basic economic problem with examples    explain the basic economic problem of every society    explain the basic economic problem of how to produce    explain the basic economic problem that we all have to deal with    explain the basic economic problem in your own words    what is the basic economic problem