Using an estimated large-scale New-Keynesian model, we assess welfare and business cycle consequences of a fiscal union within EMU. We differentiate between three different scenarios: public revenue equalisation, tax harmonisation and a centralised fiscal authority. Relative to the status quo,...

Tax competition arguments suggest that governements that operate in an open economy (such as local governments) should not and will not rely on non-benefit taxes, such as the income tax. Yet we observe reliance on income taxes by local governments in many countries, and such reliance changes...

A rational financial constitution of the EU should be able to fulfil redistributive objectives at minimum costs. The present financial system of the Community is not compatible with this requirement. After the decisions of the European Council in Berlin on the Agenda 2000 the fundamental flaw of...

The paper examines the role of the vertical structure of the public sector for economic growth in Germany in a long-term perspective. A theoretical model shows that, due to spillover effects of public service provision across lower level governments, federal government activities could have...

This paper examines how optimal renewable energy (RE) support (RES) policies need to be adjusted to account for carbon prices. We show theoretically and empirically that changing carbon prices requires adjusting RE production subsidies due to two different motives: First, RE premiums need to be...