In this paper we highlight one of alternative solutions in the manufacture of biofuel, which will replace the classical fuels who are being exhausted with harmful effects on the environment and human health. There are solutions to reduce net emissions of carbon dioxide by 70% compared to...

Synthetische Biokraftstoffe werden zukünftig im Verkehrssektor zur Sicherung einer langfristigen Energieversorgung bei gleichzeitiger Reduktion der CO2-Emissionen eine zunehmende Bedeutung erlangen. Anne Schatka entwickelt ein Planungstool zur integrierten Technologie-, Kapazitäts- und...

Policy attention to the security industry increased substantially after the terrorist attacks in the U.S. on September 11th, 2001. With an increased demand for security, the global security market grew a tenfold to around €100 billion in 2011. Many studies expect that growth of the worldwide...

The empirical literature on the impact of unions on wages has stressed two major conclusions. Firstly, unionised workers earn a wage premium when compared to comparable nonunionised workers. Secondly, the dispersion of wages within the union sector is lower than in the nonunion sector. We...