By allowing for imperfectly informed markets and the role of private information, we offer new insights about observed deviations of portfolio concentrations in domestic relative to foreign risky assets, or "home bias", from what standard finance models predict. Our model ascribes the "bias" to...

Considerable attention has been devoted in the financial literature to excessive portfolio concentrations in domestic risky assets relative to those predicted by standard finance models-generally identified as"home bias"-across international markets. The innovation we offer is ascribing home...

The problem of the uninsured – those eschewing the purchase of health insurance policies – cannot be fully understood without considering informal alternatives to market insurance called "self-insurance" and "self-protection", including the publicly and charitably-financed safety-net health...

By allowing for imperfectly informed markets but optimal private information acquisition, we offer new insights about observed variations in portfolio concentrations in domestic versus foreign risky assets, or “home bias,” and the degree to which home asset prices are “information...