The worldwide problem with pay-as-you-go, defined-benefits social security systems is not just financial. Through a dynamic, overlapping-generations model where forming a family and bearing and educating children are choice variables, we show that social security taxes and benefits generate...

Census data from international sources covering 77 percent of the world's migrant population indicate that the skill composition of migrants in major destination countries, including the United States, has been rising over the last four decades. Moreover, the population share of skilled migrants...

The worldwide problem with pay-as-you-go (PAYG) social security systems isn't just financial. This study indicates that these systems may have exerted adverse effects on key demographic factors, private savings, and long-term growth rates. Through a comprehensive endogenous-growth model where...

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...

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...

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