“That’s really the name of the game,” Cameron said, “deciding how much risk to take, deciding whether or not the juice is worth the squeeze, so to speak.

"For me, the juice is worth the squeeze on every one of those," Jac Nasser told reporters after BHP's annual shareholders meeting in the Australian city of Perth.

"We don't think the juice is worth the squeeze on those two measures because it's simply not going to produce much revenue, and it antagonizes the business community," said Ron Wineholt, the chamber's vice president for government affairs.