Der Anfang der 1990er Jahre eingeführte Solidaritätszuschlag ist eine Ergänzungsabgabe zur Einkommensteuer, Kapitalertragsteuer und Körperschaftsteuer in Deutschland. In steuerpolitischen Debatten wird in…
Past research on the impact of R&D cooperation on firm innovation performance has almost solely focused on technological innovations. This paper investigates the impact of R&D cooperation on non-technological…
We examine first direct evidence on the occurrence of learning by exporting, using unique survey data for German innovating firms on the role of (foreign) customers and competitors as sources of ideas and…
Regulatory measures have proven the favored approach to climate change mitigation in the U.S., while market-based policies have gained little traction. Using a model that resolves the U.S. economy by region,…
The Energy Modeling Forum 24 study included a set of policy scenarios designed to compare economy wide market-based and sectoral regulatory approaches of potential U.S. climate policy. Models from seven teams…
Water is at the center of a complex and dynamic system involving climatic, biological, hydrological, physical, and human interactions. We demonstrate a new modeling system that integrates climatic and…
