In this paper we explore whether the incorporation of systematic time series analyses and mathematical optimization procedures in the practical planning process has the potential to improve production program decisions. The cases of four German cash crop farms are investigated over six planning...

We consider a problem where different classes of customers can book different types of service in advance and the service company has to respond immediately to the booking request confirming or rejecting it. Due to the possibility of cancellations before the day of service, or no-shows at the...

In the German automobile industry the vertical integration, as an indicator of value added, is on average low. Beyond the argument of relative high labour costs for manufacturing, several specific reasons for the level of vertical integration, linked to the flexibility of business administration...

Central and Eastern European countries with the liberalisation process and the recent accession to the EU are, nowadays, well engaged in trade with partner countries and at the same time receive significant and increasing interest from foreign investors. Trade and Foreign Direct Investment can...

Several approaches for subset recovery and improved forecasting accuracy have been proposed and studied. One way is to apply a regularization strategy and solve the model selection task as a continuous optimization problem. One of the most popular approaches in this research field is given by...

This paper explores the introduction of collective risk-reallocation elements in defined contribution pension contracts. We consider status-contingent, age-contingent and asset-contingent arrangements to reallocate risk among participants. Eliminating asset market risk for the retired raises...