In this study we address the following question: does friendship facilitate the adoption of a risk inherent new product? We did a validation study with a previously recorded friendship network and simulated scenario of a new energy drink. We learn that spill over effect for such a friendship...

Obesity is still on the rise, leading to high costs for the obese individual itself but also for society. We analyze the influence of peer effects on food choices in lunchrooms with posted nutrition facts. Data were collected in a lunchroom at a large U.S. university. Groups of four patrons each...

Despite their growing economic influence, older consumers are often neglected as a target group because they are considered brand loyal and not flexible in their consumption habits. However, previous research suggests that life transitions may be associated with changes in older consumers’...

among consumers and between consumers and brands. Social media users can now interact with brands directly through Facebook and Twitter. These new features make social media a very distinctive class of online WOM. In this paper, we formulate a random coefficient discrete choice model of consumer...

Using psychological terms such as cognitive dissonance and confirmation bias, this study reveals how individual consumers inadequately process (food safety) information, pay limited attention to signals, and make purchase decisions that are bias towards their initial choices. While it is...