People can choose and they make many choices each and every day. However, most people are unaware of how strong their environment influences the choices they make. In his inaugural address, Bas Donkers highlights the impact of what people see (and what they don’t see), what people experience...

__Abstract__ Address delivered in shortened form at the occasion of accepting the appointment as Extraordinary Professor of Financial markets on behalf of Vereniging Trustfonds EUR at the Rotterdam School of Management, on Friday March 7, 2014. "In this address, I consider “The Social Value of...

__Abstract__ Many of the world’s most urgent problems such as climate change, population growth, poverty, malnutrition and environmental degradation not only demand solutions but also require us to find more sustainable ways of living. Market mechanisms can be effective in solving large-scale...

Buy-till-you-defect [BTYD] models are built for companies operating in a non- contractual setting to predict customers’ transaction frequency, amount and timing as well as customer lifetime. These models tend to perform well, although they often predict unrealistically long lifetimes for a...

This is the specification for the Power Trading Agent Competition for 2014 (Power TAC 2014). Power TAC is a competitive simulation that models a “liberalized” retail electrical energy market, where competing business entities or “brokers” offer energy services to customers through tariff...

Theoretical "necessary but not sufficient" statements are common in the organizational sciences. Traditional data analyses approaches (e.g., correlation or multiple regression) are not appropriate for testing or inducing such statements. This paper proposes Necessary Condition Analysis (NCA) as...

Customers often receive expert advice related to their health, finances, taxes or legal procedures, to name just a few. A noble stance taken by some is that experts should empower customers to make their own decisions. In this article, we distinguish informational from decisional empowerment and...