This paper gives a survey of the current state of competition in the German Broadband access market. Existing regulations and their impact on the deployment of high-speed Internet access are evaluated. It is argued that facilities-based competition is preferable to open-network regulations. The...

Using data from the 1997 and 2002 waves of the German Socio-Economic Panel and from official statistics, I study whether natives are less supportive of state help for the unemployed in regions where the share of foreigners among the unemployed is high. Unlike previous studies, I use...

Der Beitrag evaluiert die Wirkungen eines Betreuungsgeldes bei gleichzeitigem Ausbau der öffentlich geförderten Tagesbetreuung für Kinder im Alter von 13 bis 36 Monaten. Wir schätzen mit SOEP-Daten und unter Berücksichtigung partiell beobachtbarer Rationierungen im Betreuungsbereich ein...

The market launch of product innovations is the most visible output of a firm's investment in innovation activities. To achieve this objective most efficiently, firms strengthen their technological capabilities, acquire external knowledge in a number of different ways, and optimize their...

The elasticity of taxable income (ETI) is often interpreted as a sufficient statistic to assess the welfare costs of taxation. Building on the conceptual framework of Chetty (2009), we show that this assertion does no longer hold for tax systems with deduction possibilities if (i) deductions...