We employ a life-cycle model with income risk to analyze how tax-deferred individual accounts affect households' savings for retirement. We consider voluntary accounts as opposed to mandatory accounts with minimum contribution rates. We contrast add-on accounts with carve-out accounts that...

We employ a life-cycle model with income risk to analyze how tax-deferred individual accounts affect households' savings for retirement. We consider voluntary accounts as opposed to mandatory accounts with minimum contribution rates. We contrast add-on accounts with carve-out accounts that...

This paper studies and documents household participation in voluntary individual retirement accounts (IRAs) in eleven European countries. Using recently available, internationally comparable data of households aged 50+, we calculate country-by-country average marginal effects of the probability...

This paper analyzes optimal foreign aid policy in a neoclassical framework with a conflict of interest between the donor and the recipient government. Aid conditionality is modelled as a limited enforceable contract. We define conditional aid policy to be self-enforcing if, at any point in time,...

This paper analyzes the impact of limited enforceable international loans on international risk sharing and trade fluctuations in a two-country two-good endowment economy. Our specification of the punishment threat allows the exclusion from trade to last only finitely many periods and...