Due to the ability of cell phone providers to use cell phone towers to pinpoint users' locations, federal E911 requirements, the increasing popularity of GPS-capabilities in cellular phones, and the rise of cellular phones for Internet use, a plethora of new applications have been developed that...

Biochar (BC) has obtained widespread attention as an agricultural ammonia (NH3) abatement conditioner. Meanwhile, microplastics (MPs) are verified to affect the fate of NH3 . However, the impacts and mechanisms of MPs coupled with BC on NH3 losses in rice and wheat soils are mostly untapped. The...

We analyze how alternative consumer data handling regimes affect the welfare of consumers, advertising firms, and an intermediary Ad exchange in the context of targeted advertising. We find that the collection and use of consumer data for targeting purposes affect consumer welfare through three...

Privacy decision making has been examined from various perspectives. A dominant “normative” perspective has focused on rational processes by which consumers with stable preferences for privacy weigh the expected benefits of privacy choices against their potential costs. More recently, an...

Participation in social networking sites has dramatically increased in recent years. Services such as Friendster, Tribe, or the Facebook allow millions of individuals to create online profiles and share personal information with vast networks of friends - and, often, unknown numbers of...