Soziale Interaktionen haben einen wesentlichen Einfluss auf die von Konsumenten präferierten Marken, ihre Kaufentscheidungen, auf die empfundenen Emotionen während des Kaufprozesses sowie zukünftige Konsumabsichten. Gleichwohl beschränken sich diese Interaktionen nicht nur auf die reale...

The digital era has permitted rapid transfer of peer knowledge regarding products and services. In the present research, we explore the value of specific types of word-of-mouth information (numeric ratings and text commentary) for improving forecasts of consumption enjoyment. We present an...

We examine how word-of-mouth learning may lead to uniform and possibly inefficient actions in finite time among a network of agents. In our model, agents are identically informed a priori and observe network neighbors’ actions as well as the payoffs of some or all of those actions (a...

The Web is the largest human information construct in history transforming our society. How can we understand, measure and model the Web evolution in order to design effective policies and optimize its social benefit? Early measurements of the Internet traffic and the Web graph indicated the...