Krankenversicherungssysteme induzieren häufig Wohlfahrtsverluste aufgrund asymetrischer Informationen. Neben einem Anstieg der Gesundheitsausgaben bewirken diese eine ineffiziente Allokation von Ressourcen. Einige empirische Studien schätzen den Wohlfahrtsverlust sogar so gross, dass er den...

American households have received a triple dose of bad news since the beginning of the current recession: The greatest collapse in asset values since the Great Depression, a sharp tightening in credit availability, and a large increase in unemployment risk. We present measures of the size of...

We present a tractable model of the effects of nonfinancial risk on intertemporal choice. Our purpose is to provide a simple framework that can be adopted in fields like representative-agent macroeconomics, corporate finance, or political economy, where most modelers have chosen not to...

We model the motives for residents of a country to hold foreign assets, including the precautionary motive that has been omitted from much previous literature as intractable. Our model captures many of the principal insights from the existing specialized literature on the precautionary motive,...

Diese Studie untersucht, wie sich Spartätigkeit und Geldvermögen deutscher Privathaushalte seit 1960 entwickelt haben. Mittels Regressionsanalysen läßt sich herausfinden, daß der Vermögensbestand einkommens- und altersabhängig ist. Es Wird gezeigt, daß Einkommen und Ersparnis...

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 study the negative correlation between natural resource-abundance and long-term income focusing on the savings-investment channel. We first present empirical evidence on this channel and then develop an OverLapping-Generations (OLG) model to study the issue. In this model, savings adjust...

The consequences of government debt on capital formation, financial wealth and labor are investigated in a small open economy with demographic heterogeneity. Two alternative types of demographics are considered: one with intragenerational heterogeneity of the ''savers-spenders'' (SS) type, and...