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...

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...

The apparently unrelenting growth in the GDP-share of health spending (SHS) has been a perennial issue of policy concern. Does an equilibrium limit exist? The issue has been left open in recent dynamic models which take income growth and population aging as given. We view these variables as...

Risky-asset prices are conventionally modeled as "fully (information-) revealing". Much less work has been done on how prices get to reveal information. Following the "noisy-prices", rational-expectations approach, our answer focuses on the micro-foundations of information acquisition and the...