There Is Some Evidence That the Introduction of Mandatory Seat

Multiple Choice

There is some evidence that the introduction of mandatory seat belts while driving has led to more accidents. If this is the case, it must be that:

A) substitution is not involved in this outcome.
B) the economists making this case believe there are many drivers deciding to have an accident on purpose.
C) there is no parallel between this effect and the similar one offered by the advent of air bags.
D) seat belts offered some perverse incentives to drivers.