Overwhelming evidence suggests that there exists a physician's tendency in recommending unnecessary medical treatments to the patients. This paper discusses this issue by providing a theoretical model with one physician and many patients who are uncertain about an underlying state of disease....

This paper analyses the practice of firms to offer different prices to consumers according to the past purchase behaviour (BBPD) in the context of two-sided markets. In a two-period model, two platforms compete for heterogeneous firms and consumers. Platforms are allowed to discriminate prices...

This article develops an agent-based model of security market pricing process, capable to capture main stylised facts. It features collective market pricing mechanisms based upon evolving heterogeneous expectations that incorporate signals of security issuer fundamental performance over time....

It is not easy to rationalize how peer review, as the current grassroots of science, can work based on voluntary contributions of reviewers. There is no rationale to write impartial and thorough evaluations. Consequently, there is no risk in submitting low-quality work by authors. As a result,...

Problems of cooperation have often been simplified as the choice between defection and cooperation, although in many empirical situations it is also possible to walk away from the interaction. When opting out of is a feasible alternative, it is questionable whether known solutions to the problem...

Biondi et al. (2012) develop an analytical model to examine the emergent dynamic properties of share market price formation over time, capable to capture important stylized facts. These latter properties prove to be sensitive to regulatory regimes for fundamental information provision, as well...