EghtesadOnline: Friend and foe have been trying hard to figure out what happened and why in the eight days after the government decided to cut fuel subsidies, sending gasoline prices to levels unseen in Iran ever since oil was discovered more than a century ago.

EghtesadOnline: Many things have gotten harder as the world settles into a protracted spell of low oil prices and sluggish growth -- from avoiding deflation to creating jobs. One thing has gotten easier, as well as more urgent: eliminating fossil-fuel subsidies.