Observed international diversification implies an investment home bias (IHB). Can bivariate preferences with a local domestic peer group rationalize the IHB? For example, it is argued that wishing to have a large correlation with the Standard and Poor's 500 stock index (S&P 500 stock index) may...

Hypothetical stock market investment experiment in six countries reveals that after controlling for the average profit in the whole stock market subjects prefer losing money rather than gaining money as long as their so-called "friends" lose more money. The sad result is that only 8.2% of the...