An Internet retailer?s (e-tailer?s) outstanding virtual location enhances the probability of being noticed by potential customers. The notion of a virtual location for e-tailers refers to the analogy to the physical location. In the empirical analysis, an e-tailer?s Internet search engine rank...

Within the last three years, Google has acquired YouTube and DoubleClick and has attempted to control part of Yahoo!'s search advertising business. Two of the deals have not raised antitrust concerns by competition authorities. I review these deals with a focus on consumer welfare. Consumers are...

Die Produktlebenszyklusanalyse ist ein wichtiges Instrument der Produktpolitik. Verschiedene Diffusionsmodelle werden in der Theorie und Praxis angewendet, um Aussagen über künftige Umsatzverläufe zu erhalten. Die mathematische Modellierung geht grundsätzlich von einem deterministischen...

Genaue Prognosen von Absatzmöglichkeiten und Marktpotenzialen für Innovationen können heute ein entscheidender Faktor sein, um sich auf dem Markt zu behaupten. Ein verspäteter Markteintritt kann gravierende Auswirkungen auf den Umsatz und somit auf den Erfolg des Unternehmens haben. Dieser...

The information and communications revolution has hastened the process of globalization in today's world of business. Consequently, businesses, even small and mid-sized companies, are confronted with cultural diversity when these companies become internationally active. Yet only few businesses...

We develop a duopoly model with advertising supported platforms and analyze incentives of a superior firm to license its advanced technologies to an inferior rival. We highlight the role of two technologies characteristic for media platforms: The technology to produce content and to place...

Two firms produce a product with a horizontal and a vertical characteristic that we call quality. The difference in the quality levels determines how the firms share the market. Consumers do not observe quality before purchase. Under non-comparative advertising a firm signals its own quality,...

We investigate the impact of product market advertising on investor attention and financial market outcomes. Using daily advertising data allows us to identify short-term effects of advertising. We measure daily investor attention based the company's number of Wikipedia page views. We show that...

We derive equilibrium incentives to use comparative advertising that pushes up own brand perception and pulls down the brand image of targeted rivals. Data on content and spending for all TV advertisements in OTC analgesics enable us to construct matrices of dollar rival targeting and estimate...

Die Allgemeinfreiheit und rechtliche Schutzunfähigkeit von Ideen - und somit gleichermaßen von Werbeideen - gilt als eiserne Regel unserer Gesellschaft. Die Möglichkeit, bereits bestehende Ideen als Basis freischaffender Kreativität zu nutzen, sie umzuformen, neu zu erfinden und mit eigenen...