The development of schemes to support group work, whether behavioral methods or new technologies like groupware, should be based on detailed knowledge about how groups work, what they do well, and what they have trouble with. Such data can be used to suggest what kinds of tools people might need as well as to provide a baseline for evaluating the effects of schemes for improvement. We present d...

Interest groups are known to exert a sclerotic impact on mean growth, à la Olson (1982). It is unknown, however, what impact (if any) groups exert on the volatility of growth—an important hindrance to development. In this article, we first consider what impact we should expect Olson groups to have on the volatility of growth. We then estimate the relation between groups and growth volatility in...

An Informal Memo by Wayne Olson .....................................................................1 Déjà vu – I’ve seen this before:.............................................................................