Cabinet says efforts to enforce official prices amid commodities shortage have been in vain.
Some bus companies that travel to less populous areas have quit while others have cut the number of buses in operations, says bus operators.
Papss network presents direct payments to participants at a high speed with a low cost guaranteed.
It is feared that leaving activities on the stockmarket in the hands of a few companies and foreign investors exposes it to the risk of collapsing.
The linkage was marred by inadequate preparation, poor implementation and delayed launch, World Bank says.