Question: Pareto efficiency means that those profiting from a transaction have enough to compensate those who lose. One desirable aspect of the felicific calculous is that it not only takes into account a rise in pleasure but also in how evenly that pleasure is distributed among the public in general."I must study to pass the exam" is a hypothetical imperative because the duty springs from the purpose."I must study to pass the exam" is a hypothetical imperative because the duty springs from the purpose.