Nothing worthwhile in life can be accomplished alone; it takes a group of individuals working effectively together – cooperating – in order to accomplish what none could accomplish alone. Unfortunately, cooperation is risky. The risk inherent in cooperation is captured by the idea of a social...

We examine the role of political ideology in portfolio formation by studying a unique set of investors whose ideology can be precisely captured by a well-defined, continuous measure and whose personal asset allocation decisions are mandatorily disclosed - namely, the members of the U.S....