Data is often at the core of digital products and services, especially when related to online advertising. This has made data protection and privacy a major policy concern. When surfing the web, consumers leave digital traces that can be used to build user profiles and infer preferences. We...

Usury is a frequent occurrence in consumer credit markets and particularly affects low-income households. Although the term usury conjures images of a greedy individual consciously acting to exploit the weak bargaining position of another by deceitful and even fraudulent means, we consider it as...

Usury is a frequent occurrence in consumer credit markets and particularly affects low-income households. Systemic usury exploits poverty by shifting usury into additional products and leveraging usury gains by stringing together individual loan agreements. This paper reviews the economic...

Smartphone app designers often use behavioral design to influence users, increase sales, and boost advertising revenue. Behavioral design relies on elements ranging from app appearance to black-box algorithms and personalization. It commonly exploits behavioral biases, such as the lack of...

In December 2020, new regulation of digital markets was proposed by European Commission. It specifically addresses main concerns raised by business behavior of operators of core services in their gatekeeping positions. However, voice assistants (or digital personal assistants, DPAs, e.g. Apple's...

We study markets for sensitive personal information. An agent wants to communicate with another party but any revealed information can be intercepted and sold to a third party whose reaction harms the agent. The market for information induces an adverse sorting effect, allocating the information...

Two laboratory studies investigated the effect of price transparency on consumers' decision-making in the residential electricity market. The first tested whether consumers have difficulties when confronted with unit prices expressed as discounts from standard rates, which vary between...

Financial disclosure documents provide investors with product details to facilitate informed investment decisions. We investigate whether the appearance - the visual frame - of disclosure documents impacts risk and return expectations and investment behavior. In our experiment, subjects decide...

Recent studies investigate policies motivating consumers to make an active choice as a way to protect unsophisticated consumers. We analyse the optimal timing of such choice-enhancing policies when a firm can strategically react to them. In our model, a firm provides an automatic enrolment or...

Many legal rules—ranging from common-law contract doctrines to modern consumer protection regulation—are designed to protect individuals from their own mistakes. Scholars have neglected a core difficulty facing such policies: we humans are a motley bunch, and we are defined in part by our...