> Voters seem to have no problem deciding for themselves who deserves what credit That is certainly true, but they have a lot of trouble making these kinds of

> Voters seem to have no problem deciding for themselves who deserves what credit That is certainly true, but they have a lot of trouble making these kinds of decisions correctly. Much of the time there is an objective fact of the matter regarding the causality between policy and outcome, but discerning it is very hard. In particular, for economic policy the time lag between cause and effect is commonly measured in months or years, and that can be very hard to unwind.