We investigate how competition for reputation among consumers can impact the effectiveness of firm interventions. In situations where the firm attempts to intervene to change consumer behavior (e.g., advertising, policy guidelines, legal threats), the consumer's response may depend not only on...

We study a scenario in which firms offering products of different qualities can use persuasive advertising to influence consumers' preferences and perceptions about product quality. Consumers have an absolute and a relative component of utility from quality, and derive diminishing marginal...

Many new products (e.g., PDA phones) share features with multiple categories, but are also substantially different from each of these categories. When consumers encounter such a product, they may create a new subcategory (e.g., smart phones) to accommodate it. In such situations, consumers must...

A general theory of cultural evolution is formulated using a cognitive dimension reduction scheme. Rational but cognitively limited agents iteratively invent and redefine abstract concepts in order to best represent their natural and social environment. These concepts are used for decision...

Recent privacy regulations and firm policies endow consumers with the choice of whether to allow firms to use their personal data for marketing (and other) purposes. We investigate the impact of consumer data privacy choices on the advertising ecosystem. We consider a scenario with competing...

We model competition among news providers as a contest where each firm chooses to publish on a topic from a large pool of topics with different prior success probabilities. If a topic is successful, firms that chose to publish on it share a fixed reward. We explore how increased competition (as...