Oil has turned out to be something of a curse. Most developing petrostates have found that their economies have worsened, their political regimes have become more authoritarian, and their conflicts have intensified. Further, this curse is a bit crazy because oil brings wealth, which would seem to bring peace and prosperity, not the trouble that so often accompanies it. The goal of this introduc...

Young children have problems reasoning about false beliefs. We suggest that this is at least partially the result of the same curse of knowledge that has been observed in adults--a tendency to be biased by one's own knowledge when assessing the knowledge of a more naive person. We tested 3- to 5-year-old children in a knowledge-attribution task and found that young children exhibited a curse-of...