Today, a big challenge for business is dealing with the change created by the information revolution. The industrial revolution created the need of urbanization, mass production created homogeneity in consumption patterns and mass media created tremendous homogeneity in the news and information...

In certain categories, an important element of competition is the use of previews to signal information to potential consumers about product attributes. For example, the front page of a newspaper provides a preview to potential newspaper buyers before they purchase the product. In this context,...

Observers argue that evidence for the persuasive role of advertising comes from competitive categories where increases in advertising lead to higher average prices. Conversely, others claim that advertising serves a purely informational role. Here, higher levels of advertising lead to...