Yes, and someone needed you academic explanation.
As I said in simple terms - our turning in goods for recycling has become greater than the need of those that can convert those goods into new goods, and so they are not willing to pay as much for all we want them to take. Our contractors are taking the hit, and they will either recover their costs from us or give us the choice of dumping more stuff in landfills.
If you live next to a river, water is free.