In a result that may have implications for financial regulation, researchers from computer science and economics have revealed potentially impenetrable problems with the pricing of financial derivatives -- sellers of these investments could purposefully include pieces of bad risk that no buyer could detect, even with the most powerful computers.

A sociologist, a political scientist and two electrical engineers, each a Princeton faculty member with expertise in different types of social and technological networks, have received a grant of $1.1 million to study the relations between these networks.

