Showing 1 - 10 of 223
The traditional approach to measuring allocative efficiency exploits input prices, which are rarely known at the firm level. This paper proves allocative efficiency can be measured as a profit-oriented distance to the frontier in a profit-technical efficiency space. This new approach does not...
Persistent link: https://www.econbiz.de/10005171187
The 40 years of socialist regime in East Germany were characterized by a massive anti-entrepreneurship policy. We investigate the reemergence of entrepreneurship in East Germany during its transformation to a market economy following the collapse of the East German state in 1989. It took about...
Persistent link: https://www.econbiz.de/10011276270
Persistent link: https://www.econbiz.de/10005351543
Persistent link: https://www.econbiz.de/10013166127
We analyze the impact of institutional and cultural factors on the supply side of open source software (OSS). OSS is a privately provided public good: it is marked by free access to the software and its source code, and is developed in a public, collaborative manner by thousands of volunteers as...
Persistent link: https://www.econbiz.de/10004963267
This paper analyzes the development of the German knowledge base measured by co-classifications of patents by German inventors and relate this technological development to changes in the structure of the underlying inventor networks. The central hypothesis states that technologies that become...
Persistent link: https://www.econbiz.de/10004964134
To enable rapid container transshipment between freight trains in modern rail-rail transshipment yards efficient computerized scheduling procedures are indispensable. This paper proposes a dynamic programming approach, which determines yard areas for gantry cranes, so that the workload is evenly...
Persistent link: https://www.econbiz.de/10005665383
The generation of leveled production schedules is of high importance for mixed-model assembly lines whose parts and materials are supplied just-in-time by multi-level production processes. The Output Rate Variation problem is the standard mathematical representation of this complex level...
Persistent link: https://www.econbiz.de/10005739709
At rail-road transshipment yards, gantry cranes move containers from freight trains to trucks and vice versa. They constitute important entities in today's intermodal transportation systems. Real-world yards are often partitioned into several disjunct crane areas, so that crane interferences...
Persistent link: https://www.econbiz.de/10005739710
At cross docking terminals incoming deliveries of inbound trucks are unloaded, sorted, moved across the dock and finally loaded onto outbound trucks, which immediately leave the terminal towards their next destination in the distribution chain. Accordingly, a cross dock is a consolidation point...
Persistent link: https://www.econbiz.de/10005739713