We investigate the prospects of voluntary ecological sufficiency for environmental and climate policy under the constraints implied by political liberalism. We find that freedom of choice restricts sufficiency to rather wealthy societies and that a sufficiency threshold cannot be derived by...

Given the vital and controversial debate on fairness concerns in international climate negotiations, the acceptance of a climate treaty may be fostered if the distribution of costs and benefits from global environmental protection is perceived to be "fair". Since an agreement must be acceptable...

We study fair and efficient tax-benefit schemes based on income and non-income factors under partial control. Partial control means that each factor is a specific mixture of unobserved ability (randomly drawn by nature) and effort (chosen by individuals who differ in tastes). Factors differ in...

The literature on treatment effects focuses on gross benefits from program participation. We extend this literature by developing conditions under which it is possible to identify parameters measuring the cost and net surplus from program participation. Using the generalized Roy model, we...

Diese Arbeit soll einen ersten Einblick in die Sanktionsinstrumente Sperrzeit und Säumniszeit für Leistungsempfänger der Bundesanstalt für Arbeit geben. Die Forschung basiert auf umfangreichen Individualdatensätzen der Bundesanstalt für Arbeit, der IAB-Beschäftigtenstichprobe und...

Die Klimaschutzdiskussion wird von der Frage dominiert, welche gesamtwirtschaftlichen Kosten mit der Umgestaltung des Energiesystems zu klimaverträglichen Strukturen verbunden sind. Höhe und Verteilung dieser Kosten entscheiden darüber, ob sich umweltpolitische Strategien zum nachhaltigen...

This paper analyses the determinants of participation in higher education in West Germany. In particular, the role of social origin as well as of expectations regarding the labour market outcome of a higher education degree and of public educational policy are examined. The estimations are based...