The dynamics of cancer (collaborative model) by Kai Neumann

Just the start of a model since I was asked for a rather general model on this difficult topic. Since I am a layperson this model should be improved by either directly editing it via collaboration link or at least discussing it.

London's Housing Crisis - a collaborative modeling experience by Kai Neumann

On LinkedIn (https://www.linkedin.com/groups/2639211/2639211-6171315685852012548?trk=hb_ntf_COMMENTED_ON_GROUP_DI...) Bob Bollen asks for ways to model London's housing crisis. While some suggestions are rather complicated (some imho outdated) I'd like to suggest to just start with it in a way that not just experts but also stakeholders can read a model and contribute to it. So here is the start of a collaborative model.  Please ask for any further assistance / guidance using the comment functions on kno...

利润 (Profit model in chinese) by Daoen Pan

这是一个有关公司如何增加利润的模型。“市场营销”,“员工激励”,“削减预算“等等方法和措施将对公司的短期,中期和长期利润产生直接或者间接的影响。 This mode is based on Profit (qualitative and quantitative model) from Franc Grimm.

Biomass Web: Accra's Mini Model on Exports by Kai Neumann

Just a small model to facilitate a discussion during a workshop in Ghana. The thesis was that seasonality would lead to less exports of crops and the counter argument was that it might lead to a necessity to export if domestic demand isn't able to consume all the crops. However, if irrigation leads to less seasonality it might be possible to export more. Tricky, isn't it?