Purpose: People often face constraints such as a lack of time or information in taking decisions, which leads them to use heuristics. In these situations, fast and frugal rules may be useful for making adaptive decisions with fewer resources, even if it leads to suboptimal choices. When applied...

The euro area remains in a state of flux and appears to be unsustainable in its present form. The outcome of the crisis may be unknown for years and a judgement on the project’s success or failure may be out of reach for decades.In the meantime, analysts, portfolio managers and traders will...