We comment on non-cooperative and cooperate approaches to distributive (divide-the-cake) bargaining. We first review the challenges addressed by the seminal literature on two-person bargaining and threeperson bargaining. We then explore more recent developments on dynamic multi-player bargaining over distributive policies, both over a single decision, and over an infinite sequence of decisions ...

In this issue, Beaulac and colleagues (page 399) tell us that physical activity is beneficial not only for physical conditioning but also for morale.1 They base this affirmation on the results of a Cochrane systematic review of the literature2 published in 2009 and of a controlled clinical study3 comparing the effects of physical activity with the effects of antidepressants. Even if the conclus...

Researchers seem to be stuck reiterating the now-familiar argument that barren boxes are bad for welfare and that rodents are due ethical consideration. But the prerequisites for real progress are new kinds of arguments, new types of data, and removal of very real practical and cultural obstacles to implementation of meaningful enrichment. We must discover what we have to do to effectively chan...

alcium just got a promotion. Findings by Caroppo et al. (page 111) reveal that in addition to its many roles inside the cell, Ca 2 ϩ has a distinct extracellular purpose: it acts via a Ca 2 ϩ receptor (CaR) to regulate the function of gastric epithelial cells. It has been known for some time that extracellular Ca 2 ϩ can be sensed by the CaR. The team noted that a Ca 2 ϩ gradient was generated ...

background and objectives: knowledge management (km) has emerged as a pathway towards competitive advantage in current complex industrial environment. the aim of the present study was to explore the relationship between km effectiveness and various organizational factors including social interactions (trust, communication and coordination), infrastructure factors (structure, information technol...