What is the reason for such a high cost of Internet in roaming?

Question

Computer networks

Example:
Mobile Internet
All types of traffic ( per 100 KB ) 9.00 rub.
samara.megafon.ru/roaming/world/?aid=128

Answer 1

The operator rents the resources of other operators, and it costs him dearly. Although, stop, if inside the country ... Yes, rather greed ...

Answer 2

Greed.

Answer 3

Because everyone wants to get drunk. The more intermediaries, the higher the price.

Answer 4

The fact that there is someone else's network, not your own.

Answer 5

1. your operator must pay another
2. your operator not only connects the Internet but also a bunch of other actions. Believe me, this is very expensive
3. a bunch of tax documents and other nonsense