Comparative advantage explains interindustry trade in different goods between countries. How do economists explain intra$-$industry trade, that is$,$ trade in the same industry between countries?

Responses

Economists use the concept of economies of scale to explain intra$-$industry trade.

Economists use the concept of economies of scale to explain intra$-$industry trade.

Economists use the concept of absolute advantage to explain intra$-$industry trade.

Economists use the concept of absolute advantage to explain intra$-$industry trade.

Economists use the concept of national security to explain intra$-$industry trade.

Economists use the concept of national security to explain intra$-$industry trade.

Economists use the concept of infant industry to explain intra$-$industry trade.