The computation of lower bounds via the solution of convex lower bounding problems depicts current state-of-the-art in deterministic global optimization. Typically, the nonlinear convex relaxations are further underestimated through linearizations of the convex underestimators at one or several...

Due to the transformations appeared in the contemporary society, the way natural resources are used, at the United Nations it has been ascertained that a development strategy must be found, strategy which would lead to an effective use or preservation of these ones for the following generations....

Social networks such as Instagram, Facebook, YouTube, blog, and/or Twitter are already recognized as welcome starting points for influencers ready to start their business. "Influencer" refers to people with intensive activity on social networks, people with many followers but also candidates...

In this paper we argue that pricing is all about price changes, and that the costs of price changes are often simultaneously subtle and substantial. We discuss a framework to deal with the dynamics of changing prices. This framework incorporates customer interpretations of price changes, an...

Despite its centrality to the topic, very little attention has been paid to the topic of price changes. Indeed, for the most part, organisations operate under the myth of costless price changes. This article broadens the definition of the costs of changing price and then presents strategic...

In this paper the importance of word of mouth for marketing management in the twenty-first century will be discussed. After a short introduction, there will be a focus on the demarcations and problems of traditional marketing. Then, in the third section, word of mouth (WOM) and word-of-mouth...

The internet offers market researchers a broad variety of possibilities to gather information and insights. Online surveys and online observations are to commonly used research methods. In this article, both methods are being compared and their possible value proposition in terms of brand...

The questions of what competence constitutes in salesperson performance and why it does matter are important issue of marketing and sales management. This study examined the importance of competence in a salesperson's performance and the mechanism underlying the relationship between competence...

The increasing overload of information that bothers people is affecting businesses on online job boards as well. Although there is no doubt about the benefits of those platforms, companies are threatened to get lost in the sheer mass of similar advertisements. Considering the background of the...

Die Autoren analysieren, ob ein Social Media Newsroom eine Alternative zur herkömmlichen Pressemitteilungen via Email in der Luxusbranche ist. Ausgehend vom Intereffikationsmodell wird aufgezeigt, dass Journalismus und PR in einer Wechselbeziehung der gegenseitigen Einflussnahme stehen. Via...