An annullable penalty is a sanction that is applied unless monitoring takes place and the agent is found non-shirking. An annullable bonus is a bonus that the agent receives unless he has been monitored and found shirking. Annullable penalties and bonuses stand in contrast with normal penalties...

When accidents result in noncompensable losses, a monetary payment is not enough to compensate the victim. We study the characteristics of optimal levels of care and distribution of risk under these circumstances and show that care depends on the aggregate wealth of society but does not depend...