|
|
|
|
|
|
by perokreco
5267 days ago
|
|
|
It is not at no cost, because it is more efficient( at least comparatively if not absolutely ) to produce the rock in China and overseas shipping is extremely efficient. That is what comparative advantage and trade is all about. It is only better for the planet in the sense that the products costs more and as a result fewer of them will be produced costing less resources. |
|
|