In order to remain competitive, the multinational enterprises (MNEs) are forced by the globalization phenomenon (which manifestation has became more and more stringent) to analyze continuously its effectiveness. In this respect, the structure of the business represents an element which might...

This paper presents and compares three heuristics for the combinatorial auctionproblem. Besides a simple greedy (SG) mechanism, two metaheuristics, a simulatedannealing (SA), and a genetic algorithm (GA) approach are developedwhich use the combinatorial auction process to an allocation with...

Der Beitrag stellt ein Simulated Annealing-Verfahren zur Lösung des um Zeitfensterrestriktionen erweiterten Standardproblems vor. Die Zielfunktion berücksichtigt zwei Zielkriterien, die Minimierung der Fahrzeuganzahl als primäres und die Minimierung der Gesamtentfernung als sekundäres...

We propose a new approach for estimating mutual fund performance that simultaneously controls for both factor exposure and firm characteristics. This double-adjusted alpha is motivated by the recent findings that traditional Fama-French style factor models do not fully adjust returns for the...

This research investigates the impact of a large-scale assortment reduction on customer retention, utilizing a model we develop to explore the effect on sales at both the store level and the category level simultaneously. We apply our model to a data set provided by an online grocer. The data...

ABSTRACT Much is known about the process of sponsorship selection with respect to the key personnel involved in the buying decision and also about the strategic objectives for sponsorship. However, few investigations have focused on how sponsors assess the relative value of different sponsorship...

Judging by its significant potential to affect the outcome of a game in one single action, the penalty kick is arguably the most important set piece in football. Scientific studies on how the ability to convert a penalty kick is distributed among professional football players are scarce. In this...