Die Konzentration der Daseinsvorsorgeeinrichtungen sowie die Zuordnung derselben zu den Siedlungsbereichen sind angesichts des demografischen Wandels wichtige Maßnahmen zur Sicherung der Tragfähigkeit der Daseinsvorsorge sowie der Erreichbarkeit der Standorte. Der Beitrag beschreibt anhand...

The staff scheduling problem in the retail business is considered for which a new mathematical model and new solution methods are introduced. The problem is formalized as a set covering type problem. Columns represent feasible weekly working time patterns of one sales clerk. Rows correspond to...

Die rasante Verbreitung von Computern und Internetanschlüssen in privaten Haushalten hat auch eine neue Form der Durchführung von geschäftlichen Transaktionen, den elektronischen Handel bzw. E-Commerce, hervorgebracht. Trotz enormer Zuwachsraten im zurückliegenden Jahrzehnt sind der Anteil...

This paper investigates the implications for international markets of the existence of retailers/wholesalers with market power. Two main results are shown. First, in the presence of buyer power trade liberalization may lead to retail market concentration. Due to this concentration retail prices...

This paper shows that a manufacturer may benefit from parallel trade. In addition to an intuitive condition about the effect of demand shocks, this occurs when competitive retailers must order inventories before they know the realization of demand and for products whose sale value drops at the...

Are product market and entry regulation key sources of low employment growth in many European countries? We investigate this question in the context of the French retail trade industry. Since 1974, approval by regional zoning boards has been required for the creation or extension of any large...