Автор - mpopinz034S
Общий: Is the key element in this segment of market organization the degree of seller concentration?
Разделительный: The key element in this segment of market organization is the degree of seller concentration, isn't it?
Альтернативный: Is the key element in this segment of market organization the degree of seller concentration or buyer concentration?
Специальный: What is the key element in this segment of market organization?
К подлежащему: What is the degree of seller concentration?