question archive The non-excludability of tuna is demonstrated by the fact that: a
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The non-excludability of tuna is demonstrated by the fact that:
a. every tuna caught reduces the number of tuna left for other people to catch
b. tuna is sold in many different ways, from canned tuna to fresh tuna for sushi
c. outside of a nation's territorial waters, nobody can be prevented from fishing for tuna
d. tuna is relatively easy to catch
Non-excludability is referring to the public good that cannot prevent the public or specified group or person from access to such public good. Hence, the restrictions that may impose on the public good is impossible. Hence, the correct answer is c. outside of a nation's territorial waters, nobody can be prevented from fishing for tuna since the supply of tuna is abundant and the tuna is not exclusive of a nation's territorial waters.