We consider competition among n sellers when each of them sells a portfolio of distinct products to a buyer having limited slots (or shelf space). We study how bundling affects competition for slots. When the buyer has k number of slots, efficiency requires the slots to be allocated to the best...

We study the problem of defining the product-variety portfolio of a firm in a competitive environment. Large portfolios have become prevalent in many industries supported by competitive pressures and the expectations of increasing revenues due to a wider offer. Such practice, however, is often...

Welches ist die kalkulatorische Mindestmarge eines Darlehens? Soll ein Kreditvertrag zu bestimmten Konditionen abgeschlossen werden oder nicht? Fragen wie diese müssen der Firmenkundenbetreuer und das operative Kreditmanagement einer Bank täglich beantworten. Um sie zu beantworten, müssen im...