We propose a theoretical model to study individual lifestyle choices related to calorie intake and physical activity, depending on personal fitness level and body weight. The model builds on the rational eating literature and can generate a variety of behaviors that are consistent with the...

Explores the question of whether the traditional practice of bundling advertisements with content will prevail or become less common on the Internet. Given that revenue from advertisers is desirable to content providers, the answer mainly depends on whether advertisers will choose to deliver...