This paper develops a simple analytical framework in which optimal health and retirement policies amid population aging can be discussed. To be efficient, these policies must recognize and exploit the dynamic complementarities between the timing of retirement, the size of lifecycle labour income...

We consider a portfolio optimization problem in a Black-Scholes model with n stocks, in which an investor faces both fixed and proportional transaction costs. The performance of an investment strategy is measured by the average return of the corresponding portfolio over an infinite time horizon....

In this paper we analyze transitions in the stock markets of the US, the UK, and Germany. For all this markets we find that while the markets were focused on stocks from the IT and technology sector around the year 2000, this focus has vanished and the markets have mostly moved towards a focus...

This paper analyses how and to which degree the Danish flexicurity concept and its various elements achieve the renowned Danish miracle by evaluating their unemployment and inequality effects and their complementarities. We develop a microfounded model of searching workers and firms, calibrate...

Wir präsentieren einen Vorschlag für die Neuausrichtung der Arbeitslosenunterstützung in Deutschland: die Einführung von Beschäftigungskonten. Anstatt Steuern/Beiträge zu zahlen, die die Arbeitslosenunterstützung finanzieren, zahlen Beschäftigte laufend auf Ihre Beschäftigungskonten...

We explore the link between international stock market comovement and the degree to which firms operate globally. Using stock returns and balance sheet data for companies in 20 countries, we estimate a factor model that decomposes stock returns into global, country-specific and industry-specific...

Estonia is widely regarded as a paramount example for a successful transformation of a socialist economic system to a functioning market economy. Against the backdrop of this positive image which contrasts strongly with the crisis scenarios in Southern Europe the remaining problems of Estonia...

Die Aufwendungen für die zahlreichen familienpolitischen Maßnahmen in Deutschland summieren sich auf 321,1 Mrd. DM im Jahr 2000 und auf 328,1 Mrd. DM im Jahr 2001. Die Beträge erhöhen sich auf 345,0 Mrd. DM (353,4 Mrd. DM), wenn man die Leistungen nach dem Bundesausbildungsförderungsgesetz...

Disability benefits are costly and tend to reduce labor supply. While spending can be contained by careful targeting, correcting past flaws in eligibility rules or assessment procedures may entail welfare costs. We study a major reform in Hungary that reassessed the health and working capacity...

We use a Panel Smooth Transition Regression (STR) model to study nonlinearities in the expectation-formation process in the U.S. stock market. To this end, we use data from the Livingston survey to investigate how the importance of regressive and extrapolative expectations fluctuates over time...