When travelers are bumped from overbooked flights, they are frequently offered vouchers good for future travel. the dollar value of the voucher is the airline's estimate of . procedural justice.
b. perishable value.
c. the size of the knowledge gap.
d. empowerment.
e. distributive fairness.

Answer is option e, i.e. Distributive fairness.

Explanation:

When any customer or any employee receive the product or reward as per their perception of what they believe they should receive. Then their exist a condition of justice and fairness in distribution. Here, in the above mentioned case the travelers are offered with future vouchers after they are bumped due to overbooked flights. In order to create a sense of fairness, they are issued with this future voucher. Thus, it is referred to as distributive fairness.

answer; (c) penalty

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- love what you do.

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- follow your heart and trust it knows where it's going.