The paper develops a negotiation model for flexicurity-relevant collective bargaining. Flexicurity is a European labour market policy which should compensate the ongoing flexibilization of employment relations by advances in employment security and social security. Flexibility is promoted by...

We analyse the benefits and limitations of the integration of sourcing decisions into the operational route compilation task of a road-haulage company. A trucking company has to supply several customer sides. The demanded quantities are given. The trucking company has to decide which truck...

An integrated assessment (IA) model combines knowledge from very different disciplines in view of a practical problem. Most models developed so far are rather monolithic in the sense that it is difficult to combine components from different models for purposes of new assessments. We propose to...

The EU Water Framework Directive (WFD) calls for cost-effective measures to achieve a good status in all European ground, surface and coastal waters. Besides eutrophication, the degradation of hydro-morphology is the main reason for failing the WFD's objectives in Germany. In this paper , we...

The paper presents a concept and the outline of the implementation of a hybrid approach to modelling and solving constrained problems. Two environments of mathematical programming (in particular, integer programming) and declarative programming (in particular, constraint logic programming) were...

In this study, we aim to identify the impact of interactivity of electronic word of mouth (EWOM) systems on customer e-loyalty based on Interactivity Theory. In electronic market place, consumers now interact with e-retailers and other consumers with the help of EWOM systems. We have also tried...

Purpose: Urban rail transit is a complex and dynamic system, which is difficult to be described in a global mathematical model for its scale and interaction. In order to analyze the spatial and temporal characteristics of passenger flow distribution and evaluate the effectiveness of...

Sustainability has been increasingly recognised as an integral part of highway infrastructure development. In practice however, the fact that financial return is still a project’s top priority for many, environmental aspects tend to be overlooked or considered as a burden, as they add to...

This article has been made according to my dissertation in which I present some opportunity of risk analysis and risk managementin the decision support of crop production.Plant production is one of the most hazardous agricultural enterprises. Among risk sources seasonal fluctuation of average...

Die vorliegende Arbeit ist aufgrund der Beobachtung von wiederkehrenden Phänomenen in der Markenführungspraxis entstanden. Es konnte beobachtet werden, dass trotz einer vorhandenen strategischen Markenführung, eines Markenperformance Measurement und weiteren Instrumenten umfassende...