If Iceland can produce fish with fewer resources than Greenland, we have evidence of

Which of the following would likely be the most effective possible solution when a scarce resource is subject to the tragedy of the commons?

A) offer subsidies to the users of the commons B) restrict access to the commons through community norms and laws C) persuade people to use less of the scarce resource through an advertising campaign D) force people to move a great distance away from the commons

What does the expansion path represent?

What will be an ideal response?