When it is costly or impossible to prevent a person who hasn't paid for a particular good from using it, then that good is classified as being _____

a. excludable
b. rival
c. non-excludable
d. non-rival

c

Economics

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Which is not a key economic question?

a. What goods and services should be produced? b. How should these goods and services be produced? c. Who consumes these goods and services? d. How should these goods and services be paid for?

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When the interest rate rises

A) planned investment falls. B) planned investment rises. C) planned investment will be unaffected. D) equilibrium income increases.

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