We study the stability of voluntary cooperation in response to varying rates at which a group grows. Using a laboratory … cooperation. We then study the effect on cooperation of exogenously varying rates of entry. Slow growth yields higher cooperation … endogenous growth generally also produces high cooperation levels, growth stalls at intermediate group sizes, leaving potential …

Over the last millennium, the clan and the corporation have been the loci of cooperation in China and Europe … bifurcation. We highlight that groups with which individuals identify are basic units of cooperation. Such loyalty groups …, and the implied pattern of cooperation …

assumption that the salience of the advantages of mutual cooperation plays a decisive role. This hypothesis is successfully …

effects of participation in markets on non-market activities requiring cooperation. In our setup, market interaction takes …-Strangers. We compare the efficiency of cooperation with and without market experience controlling for earnings, allowing us to … effect on cooperation efficiency in Market-Partners, that is among those who had to compete with each other on on the same …

The present complexity approach is based on two assumptions: A1: measurability of deviations of outcomes with respect … to reference values; A2 : extension of A1 to multi-set analysis. Complexity is then defined in terms of multi … reducing greatly the degree of complexity of the problem, and hence the difficulty of finding a solution. …

How does tax complexity affect people’s reaction to tax changes? To answer this question, we conduct an experiment in …