Which of the following is a trait shared by all individual goods?
o
a. excludability
o
b. elasticity
o
c. inferiority
o
d. fungibility

(B) Excludability

Explanation: This implies that a customer can be excluded from the use of certain goods or services if they refuse to pay the seller, for example if at the cinema the consumer does not pay for the ticket, they will not receive ticket and cannot enter the cinema.