Oil System Model by pierreweidemann@w*

The "Oil System Model" tries to show the significant influences on the price of oil and their implications. Originally created by Gene Bellinger Feel free to join in on the modeling by clicking the collaborative link. Source  - -http://www.systemswiki.org/index.php?title=Oil_System_Model

PiM Mini Model on Associated Costs by Kai Neumann

This mini model shows one of two ways to calculate costs within PROCESS-iMODELER models. Costs can be either as shown here the directly associated costs or like shown in another model the costs of the availability of the resources. For the associated costs you simply connect the process factors to a normal factor and use the costs() function times the process. The costs() value of each process step is the sum of the costs (a parameter of the resource- and level-resource factors) that are connected with t...

Tesla's Powerwalls seen in context by Kai Neumann

Just a small qualitative model for a discussion on linkedin on the economics of Tesla's Powerwalls. Here is the original article the discussion is based on: http://www.forbes.com/sites/christopherhelman/2015/05/01/why-teslas-powerwall-is-just-another-toy-fo... 

The rise of resistance against climate policies by Kai Neumann

Whether it is Germany's "Heizungsgesetz" or the European Union's "Renaturation Law" there is a certain pattern how resistance evolves. Recently I was on workation sailing the Baltic Sea observing lots of signs of movements against the implementation of protected natural habitats in the Baltic Sea. The fishing 'industry', the tourism, and the water sports enthusiasts all seem united in their protest against the protection of the Baltic Sea. Fact is, that the Baltic Sea is in an extremely poor condition ca...