This paper studies the profile of cooperation emerging in a context in which agents may choose to join one of two groups or stay on their own, in a world where similarity across peers matters. In particular, we investigate the role of heterogeneity in individual contributions, of the level of...

A trader's execution strategy has a large effect on his profits. Identifying an optimal strategy, however, is often frustrated by the complexity of market microstructure's. We analyse an order book based continuous double auction market under two different models of trader's behaviour. In the...